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cifs: factor smb_vol allocation out of cifs_setup_volume_info 

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Pavel Shilovsky <piastryyy@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Jeff Layton 2011-07-06 08:10:38 -04:00 committed by Steve French
parent f9e59bcba2
commit 04db79b015
3 changed files with 33 additions and 33 deletions
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6
fs/cifs/cifsfs.c
View File

@ -649,9 +649,9 @@ cifs_do_mount(struct file_system_type *fs_type,
cFYI(1, "Devname: %s flags: %d ", dev_name, flags);
rc = cifs_setup_volume_info(&volume_info, (char *)data, dev_name);
if (rc)
return ERR_PTR(rc);
volume_info = cifs_get_volume_info((char *)data, dev_name);
if (IS_ERR(volume_info))
return ERR_CAST(volume_info);
cifs_sb = kzalloc(sizeof(struct cifs_sb_info), GFP_KERNEL);
if (cifs_sb == NULL) {

4
fs/cifs/cifsproto.h
View File

@ -155,8 +155,8 @@ extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
struct cifs_sb_info *cifs_sb);
extern int cifs_match_super(struct super_block *, void *);
extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
extern int cifs_setup_volume_info(struct smb_vol **pvolume_info,
char *mount_data, const char *devname);
extern struct smb_vol *cifs_get_volume_info(char *mount_data,
const char *devname);
extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
extern void cifs_umount(struct cifs_sb_info *);
extern void cifs_dfs_release_automount_timer(void);

56
fs/cifs/connect.c
View File

@ -2931,33 +2931,20 @@ expand_dfs_referral(int xid, struct cifs_ses *pSesInfo,
}
#endif
int cifs_setup_volume_info(struct smb_vol **pvolume_info, char *mount_data,
const char *devname)
static int
cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data,
const char *devname)
{
struct smb_vol *volume_info;
int rc = 0;
*pvolume_info = NULL;
volume_info = kzalloc(sizeof(struct smb_vol), GFP_KERNEL);
if (!volume_info) {
rc = -ENOMEM;
goto out;
}
if (cifs_parse_mount_options(mount_data, devname,
volume_info)) {
rc = -EINVAL;
goto out;
}
if (cifs_parse_mount_options(mount_data, devname, volume_info))
return -EINVAL;
if (volume_info->nullauth) {
cFYI(1, "null user");
volume_info->username = kzalloc(1, GFP_KERNEL);
if (volume_info->username == NULL) {
rc = -ENOMEM;
goto out;
}
if (volume_info->username == NULL)
return -ENOMEM;
} else if (volume_info->username) {
/* BB fixme parse for domain name here */
cFYI(1, "Username: %s", volume_info->username);
@ -2965,8 +2952,7 @@ int cifs_setup_volume_info(struct smb_vol **pvolume_info, char *mount_data,
cifserror("No username specified");
/* In userspace mount helper we can get user name from alternate
locations such as env variables and files on disk */
rc = -EINVAL;
goto out;
return -EINVAL;
}
/* this is needed for ASCII cp to Unicode converts */
@ -2978,18 +2964,32 @@ int cifs_setup_volume_info(struct smb_vol **pvolume_info, char *mount_data,
if (volume_info->local_nls == NULL) {
cERROR(1, "CIFS mount error: iocharset %s not found",
volume_info->iocharset);
rc = -ELIBACC;
goto out;
return -ELIBACC;
}
}
*pvolume_info = volume_info;
return rc;
out:
cifs_cleanup_volume_info(volume_info);
return rc;
}
struct smb_vol *
cifs_get_volume_info(char *mount_data, const char *devname)
{
int rc;
struct smb_vol *volume_info;
volume_info = kzalloc(sizeof(struct smb_vol), GFP_KERNEL);
if (!volume_info)
return ERR_PTR(-ENOMEM);
rc = cifs_setup_volume_info(volume_info, mount_data, devname);
if (rc) {
cifs_cleanup_volume_info(volume_info);
volume_info = ERR_PTR(rc);
}
return volume_info;
}
int
cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info)
{