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xattr: add missing consts to function arguments 

Add missing consts to xattr function arguments.

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Howells 2008-04-29 00:59:41 -07:00 committed by Linus Torvalds
parent 7ec02ef159
commit 8f0cfa52a1
11 changed files with 96 additions and 87 deletions
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41
fs/xattr.c
View File

@ -67,7 +67,7 @@ xattr_permission(struct inode *inode, const char *name, int mask)
}
int
vfs_setxattr(struct dentry *dentry, char *name, void *value,
vfs_setxattr(struct dentry *dentry, const char *name, const void *value,
size_t size, int flags)
{
struct inode *inode = dentry->d_inode;
@ -131,7 +131,7 @@ out_noalloc:
EXPORT_SYMBOL_GPL(xattr_getsecurity);
ssize_t
vfs_getxattr(struct dentry *dentry, char *name, void *value, size_t size)
vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size)
{
struct inode *inode = dentry->d_inode;
int error;
@ -187,7 +187,7 @@ vfs_listxattr(struct dentry *d, char *list, size_t size)
EXPORT_SYMBOL_GPL(vfs_listxattr);
int
vfs_removexattr(struct dentry *dentry, char *name)
vfs_removexattr(struct dentry *dentry, const char *name)
{
struct inode *inode = dentry->d_inode;
int error;
@ -218,7 +218,7 @@ EXPORT_SYMBOL_GPL(vfs_removexattr);
* Extended attribute SET operations
*/
static long
setxattr(struct dentry *d, char __user *name, void __user *value,
setxattr(struct dentry *d, const char __user *name, const void __user *value,
size_t size, int flags)
{
int error;
@ -252,8 +252,8 @@ setxattr(struct dentry *d, char __user *name, void __user *value,
}
asmlinkage long
sys_setxattr(char __user *path, char __user *name, void __user *value,
size_t size, int flags)
sys_setxattr(const char __user *path, const char __user *name,
const void __user *value, size_t size, int flags)
{
struct nameidata nd;
int error;
@ -271,8 +271,8 @@ sys_setxattr(char __user *path, char __user *name, void __user *value,
}
asmlinkage long
sys_lsetxattr(char __user *path, char __user *name, void __user *value,
size_t size, int flags)
sys_lsetxattr(const char __user *path, const char __user *name,
const void __user *value, size_t size, int flags)
{
struct nameidata nd;
int error;
@ -290,7 +290,7 @@ sys_lsetxattr(char __user *path, char __user *name, void __user *value,
}
asmlinkage long
sys_fsetxattr(int fd, char __user *name, void __user *value,
sys_fsetxattr(int fd, const char __user *name, const void __user *value,
size_t size, int flags)
{
struct file *f;
@ -315,7 +315,8 @@ sys_fsetxattr(int fd, char __user *name, void __user *value,
* Extended attribute GET operations
*/
static ssize_t
getxattr(struct dentry *d, char __user *name, void __user *value, size_t size)
getxattr(struct dentry *d, const char __user *name, void __user *value,
size_t size)
{
ssize_t error;
void *kvalue = NULL;
@ -349,8 +350,8 @@ getxattr(struct dentry *d, char __user *name, void __user *value, size_t size)
}
asmlinkage ssize_t
sys_getxattr(char __user *path, char __user *name, void __user *value,
size_t size)
sys_getxattr(const char __user *path, const char __user *name,
void __user *value, size_t size)
{
struct nameidata nd;
ssize_t error;
@ -364,7 +365,7 @@ sys_getxattr(char __user *path, char __user *name, void __user *value,
}
asmlinkage ssize_t
sys_lgetxattr(char __user *path, char __user *name, void __user *value,
sys_lgetxattr(const char __user *path, const char __user *name, void __user *value,
size_t size)
{
struct nameidata nd;
@ -379,7 +380,7 @@ sys_lgetxattr(char __user *path, char __user *name, void __user *value,
}
asmlinkage ssize_t
sys_fgetxattr(int fd, char __user *name, void __user *value, size_t size)
sys_fgetxattr(int fd, const char __user *name, void __user *value, size_t size)
{
struct file *f;
ssize_t error = -EBADF;
@ -424,7 +425,7 @@ listxattr(struct dentry *d, char __user *list, size_t size)
}
asmlinkage ssize_t
sys_listxattr(char __user *path, char __user *list, size_t size)
sys_listxattr(const char __user *path, char __user *list, size_t size)
{
struct nameidata nd;
ssize_t error;
@ -438,7 +439,7 @@ sys_listxattr(char __user *path, char __user *list, size_t size)
}
asmlinkage ssize_t
sys_llistxattr(char __user *path, char __user *list, size_t size)
sys_llistxattr(const char __user *path, char __user *list, size_t size)
{
struct nameidata nd;
ssize_t error;
@ -470,7 +471,7 @@ sys_flistxattr(int fd, char __user *list, size_t size)
* Extended attribute REMOVE operations
*/
static long
removexattr(struct dentry *d, char __user *name)
removexattr(struct dentry *d, const char __user *name)
{
int error;
char kname[XATTR_NAME_MAX + 1];
@ -485,7 +486,7 @@ removexattr(struct dentry *d, char __user *name)
}
asmlinkage long
sys_removexattr(char __user *path, char __user *name)
sys_removexattr(const char __user *path, const char __user *name)
{
struct nameidata nd;
int error;
@ -503,7 +504,7 @@ sys_removexattr(char __user *path, char __user *name)
}
asmlinkage long
sys_lremovexattr(char __user *path, char __user *name)
sys_lremovexattr(const char __user *path, const char __user *name)
{
struct nameidata nd;
int error;
@ -521,7 +522,7 @@ sys_lremovexattr(char __user *path, char __user *name)
}
asmlinkage long
sys_fremovexattr(int fd, char __user *name)
sys_fremovexattr(int fd, const char __user *name)
{
struct file *f;
struct dentry *dentry;

43
include/linux/security.h
View File

@ -53,8 +53,9 @@ extern void cap_capset_set(struct task_struct *target, kernel_cap_t *effective,
extern int cap_bprm_set_security(struct linux_binprm *bprm);
extern void cap_bprm_apply_creds(struct linux_binprm *bprm, int unsafe);
extern int cap_bprm_secureexec(struct linux_binprm *bprm);
extern int cap_inode_setxattr(struct dentry *dentry, char *name, void *value, size_t size, int flags);
extern int cap_inode_removexattr(struct dentry *dentry, char *name);
extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags);
extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
extern int cap_inode_need_killpriv(struct dentry *dentry);
extern int cap_inode_killpriv(struct dentry *dentry);
extern int cap_task_post_setuid(uid_t old_ruid, uid_t old_euid, uid_t old_suid, int flags);
@ -1362,13 +1363,13 @@ struct security_operations {
int (*inode_setattr) (struct dentry *dentry, struct iattr *attr);
int (*inode_getattr) (struct vfsmount *mnt, struct dentry *dentry);
void (*inode_delete) (struct inode *inode);
int (*inode_setxattr) (struct dentry *dentry, char *name, void *value,
size_t size, int flags);
void (*inode_post_setxattr) (struct dentry *dentry, char *name, void *value,
size_t size, int flags);
int (*inode_getxattr) (struct dentry *dentry, char *name);
int (*inode_setxattr) (struct dentry *dentry, const char *name,
const void *value, size_t size, int flags);
void (*inode_post_setxattr) (struct dentry *dentry, const char *name,
const void *value, size_t size, int flags);
int (*inode_getxattr) (struct dentry *dentry, const char *name);
int (*inode_listxattr) (struct dentry *dentry);
int (*inode_removexattr) (struct dentry *dentry, char *name);
int (*inode_removexattr) (struct dentry *dentry, const char *name);
int (*inode_need_killpriv) (struct dentry *dentry);
int (*inode_killpriv) (struct dentry *dentry);
int (*inode_getsecurity) (const struct inode *inode, const char *name, void **buffer, bool alloc);
@ -1633,13 +1634,13 @@ int security_inode_permission(struct inode *inode, int mask, struct nameidata *n
int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry);
void security_inode_delete(struct inode *inode);
int security_inode_setxattr(struct dentry *dentry, char *name,
void *value, size_t size, int flags);
void security_inode_post_setxattr(struct dentry *dentry, char *name,
void *value, size_t size, int flags);
int security_inode_getxattr(struct dentry *dentry, char *name);
int security_inode_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags);
void security_inode_post_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags);
int security_inode_getxattr(struct dentry *dentry, const char *name);
int security_inode_listxattr(struct dentry *dentry);
int security_inode_removexattr(struct dentry *dentry, char *name);
int security_inode_removexattr(struct dentry *dentry, const char *name);
int security_inode_need_killpriv(struct dentry *dentry);
int security_inode_killpriv(struct dentry *dentry);
int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc);
@ -2041,17 +2042,18 @@ static inline int security_inode_getattr(struct vfsmount *mnt,
static inline void security_inode_delete(struct inode *inode)
{ }
static inline int security_inode_setxattr(struct dentry *dentry, char *name,
void *value, size_t size, int flags)
static inline int security_inode_setxattr(struct dentry *dentry,
const char *name, const void *value, size_t size, int flags)
{
return cap_inode_setxattr(dentry, name, value, size, flags);
}
static inline void security_inode_post_setxattr(struct dentry *dentry, char *name,
void *value, size_t size, int flags)
static inline void security_inode_post_setxattr(struct dentry *dentry,
const char *name, const void *value, size_t size, int flags)
{ }
static inline int security_inode_getxattr(struct dentry *dentry, char *name)
static inline int security_inode_getxattr(struct dentry *dentry,
const char *name)
{
return 0;
}
@ -2061,7 +2063,8 @@ static inline int security_inode_listxattr(struct dentry *dentry)
return 0;
}
static inline int security_inode_removexattr(struct dentry *dentry, char *name)
static inline int security_inode_removexattr(struct dentry *dentry,
const char *name)
{
return cap_inode_removexattr(dentry, name);
}

30
include/linux/syscalls.h
View File

@ -240,26 +240,28 @@ asmlinkage long sys_truncate64(const char __user *path, loff_t length);
asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length);
#endif
asmlinkage long sys_setxattr(char __user *path, char __user *name,
void __user *value, size_t size, int flags);
asmlinkage long sys_lsetxattr(char __user *path, char __user *name,
void __user *value, size_t size, int flags);
asmlinkage long sys_fsetxattr(int fd, char __user *name, void __user *value,
size_t size, int flags);
asmlinkage ssize_t sys_getxattr(char __user *path, char __user *name,
asmlinkage long sys_setxattr(const char __user *path, const char __user *name,
const void __user *value, size_t size, int flags);
asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name,
const void __user *value, size_t size, int flags);
asmlinkage long sys_fsetxattr(int fd, const char __user *name,
const void __user *value, size_t size, int flags);
asmlinkage ssize_t sys_getxattr(const char __user *path, const char __user *name,
void __user *value, size_t size);
asmlinkage ssize_t sys_lgetxattr(char __user *path, char __user *name,
asmlinkage ssize_t sys_lgetxattr(const char __user *path, const char __user *name,
void __user *value, size_t size);
asmlinkage ssize_t sys_fgetxattr(int fd, char __user *name,
asmlinkage ssize_t sys_fgetxattr(int fd, const char __user *name,
void __user *value, size_t size);
asmlinkage ssize_t sys_listxattr(char __user *path, char __user *list,
asmlinkage ssize_t sys_listxattr(const char __user *path, char __user *list,
size_t size);
asmlinkage ssize_t sys_llistxattr(char __user *path, char __user *list,
asmlinkage ssize_t sys_llistxattr(const char __user *path, char __user *list,
size_t size);
asmlinkage ssize_t sys_flistxattr(int fd, char __user *list, size_t size);
asmlinkage long sys_removexattr(char __user *path, char __user *name);
asmlinkage long sys_lremovexattr(char __user *path, char __user *name);
asmlinkage long sys_fremovexattr(int fd, char __user *name);
asmlinkage long sys_removexattr(const char __user *path,
const char __user *name);
asmlinkage long sys_lremovexattr(const char __user *path,
const char __user *name);
asmlinkage long sys_fremovexattr(int fd, const char __user *name);
asmlinkage unsigned long sys_brk(unsigned long brk);
asmlinkage long sys_mprotect(unsigned long start, size_t len,

6
include/linux/xattr.h
View File

@ -47,10 +47,10 @@ struct xattr_handler {
};
ssize_t xattr_getsecurity(struct inode *, const char *, void *, size_t);
ssize_t vfs_getxattr(struct dentry *, char *, void *, size_t);
ssize_t vfs_getxattr(struct dentry *, const char *, void *, size_t);
ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size);
int vfs_setxattr(struct dentry *, char *, void *, size_t, int);
int vfs_removexattr(struct dentry *, char *);
int vfs_setxattr(struct dentry *, const char *, const void *, size_t, int);
int vfs_removexattr(struct dentry *, const char *);
ssize_t generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size);
ssize_t generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size);

6
security/commoncap.c
View File

@ -383,8 +383,8 @@ int cap_bprm_secureexec (struct linux_binprm *bprm)
current->egid != current->gid);
}
int cap_inode_setxattr(struct dentry *dentry, char *name, void *value,
size_t size, int flags)
int cap_inode_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
if (!strcmp(name, XATTR_NAME_CAPS)) {
if (!capable(CAP_SETFCAP))
@ -397,7 +397,7 @@ int cap_inode_setxattr(struct dentry *dentry, char *name, void *value,
return 0;
}
int cap_inode_removexattr(struct dentry *dentry, char *name)
int cap_inode_removexattr(struct dentry *dentry, const char *name)
{
if (!strcmp(name, XATTR_NAME_CAPS)) {
if (!capable(CAP_SETFCAP))

13
security/dummy.c
View File

@ -365,8 +365,8 @@ static void dummy_inode_delete (struct inode *ino)
return;
}
static int dummy_inode_setxattr (struct dentry *dentry, char *name, void *value,
size_t size, int flags)
static int dummy_inode_setxattr (struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
if (!strncmp(name, XATTR_SECURITY_PREFIX,
sizeof(XATTR_SECURITY_PREFIX) - 1) &&
@ -375,12 +375,13 @@ static int dummy_inode_setxattr (struct dentry *dentry, char *name, void *value,
return 0;
}
static void dummy_inode_post_setxattr (struct dentry *dentry, char *name, void *value,
size_t size, int flags)
static void dummy_inode_post_setxattr (struct dentry *dentry, const char *name,
const void *value, size_t size,
int flags)
{
}
static int dummy_inode_getxattr (struct dentry *dentry, char *name)
static int dummy_inode_getxattr (struct dentry *dentry, const char *name)
{
return 0;
}
@ -390,7 +391,7 @@ static int dummy_inode_listxattr (struct dentry *dentry)
return 0;
}
static int dummy_inode_removexattr (struct dentry *dentry, char *name)
static int dummy_inode_removexattr (struct dentry *dentry, const char *name)
{
if (!strncmp(name, XATTR_SECURITY_PREFIX,
sizeof(XATTR_SECURITY_PREFIX) - 1) &&

12
security/security.c
View File

@ -491,23 +491,23 @@ void security_inode_delete(struct inode *inode)
security_ops->inode_delete(inode);
}
int security_inode_setxattr(struct dentry *dentry, char *name,
void *value, size_t size, int flags)
int security_inode_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
return 0;
return security_ops->inode_setxattr(dentry, name, value, size, flags);
}
void security_inode_post_setxattr(struct dentry *dentry, char *name,
void *value, size_t size, int flags)
void security_inode_post_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
return;
security_ops->inode_post_setxattr(dentry, name, value, size, flags);
}
int security_inode_getxattr(struct dentry *dentry, char *name)
int security_inode_getxattr(struct dentry *dentry, const char *name)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
return 0;
@ -521,7 +521,7 @@ int security_inode_listxattr(struct dentry *dentry)
return security_ops->inode_listxattr(dentry);
}
int security_inode_removexattr(struct dentry *dentry, char *name)
int security_inode_removexattr(struct dentry *dentry, const char *name)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
return 0;

14
security/selinux/hooks.c
View File

@ -2619,7 +2619,7 @@ static int selinux_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
return dentry_has_perm(current, mnt, dentry, FILE__GETATTR);
}
static int selinux_inode_setotherxattr(struct dentry *dentry, char *name)
static int selinux_inode_setotherxattr(struct dentry *dentry, const char *name)
{
if (!strncmp(name, XATTR_SECURITY_PREFIX,
sizeof XATTR_SECURITY_PREFIX - 1)) {
@ -2638,7 +2638,8 @@ static int selinux_inode_setotherxattr(struct dentry *dentry, char *name)
return dentry_has_perm(current, NULL, dentry, FILE__SETATTR);
}
static int selinux_inode_setxattr(struct dentry *dentry, char *name, void *value, size_t size, int flags)
static int selinux_inode_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
struct task_security_struct *tsec = current->security;
struct inode *inode = dentry->d_inode;
@ -2687,8 +2688,9 @@ static int selinux_inode_setxattr(struct dentry *dentry, char *name, void *value
&ad);
}
static void selinux_inode_post_setxattr(struct dentry *dentry, char *name,
void *value, size_t size, int flags)
static void selinux_inode_post_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size,
int flags)
{
struct inode *inode = dentry->d_inode;
struct inode_security_struct *isec = inode->i_security;
@ -2711,7 +2713,7 @@ static void selinux_inode_post_setxattr(struct dentry *dentry, char *name,
return;
}
static int selinux_inode_getxattr(struct dentry *dentry, char *name)
static int selinux_inode_getxattr(struct dentry *dentry, const char *name)
{
return dentry_has_perm(current, NULL, dentry, FILE__GETATTR);
}
@ -2721,7 +2723,7 @@ static int selinux_inode_listxattr(struct dentry *dentry)
return dentry_has_perm(current, NULL, dentry, FILE__GETATTR);
}
static int selinux_inode_removexattr(struct dentry *dentry, char *name)
static int selinux_inode_removexattr(struct dentry *dentry, const char *name)
{
if (strcmp(name, XATTR_NAME_SELINUX))
return selinux_inode_setotherxattr(dentry, name);

2
security/selinux/include/security.h
View File

@ -93,7 +93,7 @@ int security_change_sid(u32 ssid, u32 tsid,
int security_sid_to_context(u32 sid, char **scontext,
u32 *scontext_len);
int security_context_to_sid(char *scontext, u32 scontext_len,
int security_context_to_sid(const char *scontext, u32 scontext_len,
u32 *out_sid);
int security_context_to_sid_default(char *scontext, u32 scontext_len,

4
security/selinux/ss/services.c
View File

@ -708,7 +708,7 @@ out:
}
static int security_context_to_sid_core(char *scontext, u32 scontext_len,
static int security_context_to_sid_core(const char *scontext, u32 scontext_len,
u32 *sid, u32 def_sid, gfp_t gfp_flags)
{
char *scontext2;
@ -835,7 +835,7 @@ out:
* Returns -%EINVAL if the context is invalid, -%ENOMEM if insufficient
* memory is available, or 0 on success.
*/
int security_context_to_sid(char *scontext, u32 scontext_len, u32 *sid)
int security_context_to_sid(const char *scontext, u32 scontext_len, u32 *sid)
{
return security_context_to_sid_core(scontext, scontext_len,
sid, SECSID_NULL, GFP_KERNEL);

12
security/smack/smack_lsm.c
View File

@ -574,8 +574,8 @@ static int smack_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
*
* Returns 0 if access is permitted, an error code otherwise
*/
static int smack_inode_setxattr(struct dentry *dentry, char *name,
void *value, size_t size, int flags)
static int smack_inode_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
int rc = 0;
@ -604,8 +604,8 @@ static int smack_inode_setxattr(struct dentry *dentry, char *name,
* Set the pointer in the inode blob to the entry found
* in the master label list.
*/
static void smack_inode_post_setxattr(struct dentry *dentry, char *name,
void *value, size_t size, int flags)
static void smack_inode_post_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
struct inode_smack *isp;
char *nsp;
@ -641,7 +641,7 @@ static void smack_inode_post_setxattr(struct dentry *dentry, char *name,
*
* Returns 0 if access is permitted, an error code otherwise
*/
static int smack_inode_getxattr(struct dentry *dentry, char *name)
static int smack_inode_getxattr(struct dentry *dentry, const char *name)
{
return smk_curacc(smk_of_inode(dentry->d_inode), MAY_READ);
}
@ -655,7 +655,7 @@ static int smack_inode_getxattr(struct dentry *dentry, char *name)
*
* Returns 0 if access is permitted, an error code otherwise
*/
static int smack_inode_removexattr(struct dentry *dentry, char *name)
static int smack_inode_removexattr(struct dentry *dentry, const char *name)
{
int rc = 0;