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cifs: call strtobool instead of custom implementation 

Meanwhile it cleans up the code, the behaviour is slightly changed. In case of
providing non-boolean value it will fails with corresponding error. In the
original code the attempt of an update was just ignored in such case.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Jeff Layton <jlayton@poochiereds.net>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Signed-off-by: Steve French <steve.french@primarydata.com>
This commit is contained in:
Andy Shevchenko 2014-08-27 16:49:42 +03:00 committed by Steve French
parent bb1d5ddaf9
commit 28e2aed244
1 changed files with 29 additions and 22 deletions
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51
fs/cifs/cifs_debug.c
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@ -274,6 +274,7 @@ static ssize_t cifs_stats_proc_write(struct file *file,
const char __user *buffer, size_t count, loff_t *ppos)
{
char c;
bool bv;
int rc;
struct list_head *tmp1, *tmp2, *tmp3;
struct TCP_Server_Info *server;
@ -284,7 +285,7 @@ static ssize_t cifs_stats_proc_write(struct file *file,
if (rc)
return rc;
if (c == '1' || c == 'y' || c == 'Y' || c == '0') {
if (strtobool(&c, &bv) == 0) {
#ifdef CONFIG_CIFS_STATS2
atomic_set(&totBufAllocCount, 0);
atomic_set(&totSmBufAllocCount, 0);
@ -451,15 +452,14 @@ static ssize_t cifsFYI_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
char c;
bool bv;
int rc;
rc = get_user(c, buffer);
if (rc)
return rc;
if (c == '0' || c == 'n' || c == 'N')
cifsFYI = 0;
else if (c == '1' || c == 'y' || c == 'Y')
cifsFYI = 1;
if (strtobool(&c, &bv) == 0)
cifsFYI = bv;
else if ((c > '1') && (c <= '9'))
cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */
@ -490,15 +490,18 @@ static ssize_t cifs_linux_ext_proc_write(struct file *file,
const char __user *buffer, size_t count, loff_t *ppos)
{
char c;
bool bv;
int rc;
rc = get_user(c, buffer);
if (rc)
return rc;
if (c == '0' || c == 'n' || c == 'N')
linuxExtEnabled = 0;
else if (c == '1' || c == 'y' || c == 'Y')
linuxExtEnabled = 1;
rc = strtobool(&c, &bv);
if (rc)
return rc;
linuxExtEnabled = bv;
return count;
}
@ -527,15 +530,18 @@ static ssize_t cifs_lookup_cache_proc_write(struct file *file,
const char __user *buffer, size_t count, loff_t *ppos)
{
char c;
bool bv;
int rc;
rc = get_user(c, buffer);
if (rc)
return rc;
if (c == '0' || c == 'n' || c == 'N')
lookupCacheEnabled = 0;
else if (c == '1' || c == 'y' || c == 'Y')
lookupCacheEnabled = 1;
rc = strtobool(&c, &bv);
if (rc)
return rc;
lookupCacheEnabled = bv;
return count;
}
@ -564,15 +570,18 @@ static ssize_t traceSMB_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
char c;
bool bv;
int rc;
rc = get_user(c, buffer);
if (rc)
return rc;
if (c == '0' || c == 'n' || c == 'N')
traceSMB = 0;
else if (c == '1' || c == 'y' || c == 'Y')
traceSMB = 1;
rc = strtobool(&c, &bv);
if (rc)
return rc;
traceSMB = bv;
return count;
}
@ -630,6 +639,7 @@ static ssize_t cifs_security_flags_proc_write(struct file *file,
unsigned int flags;
char flags_string[12];
char c;
bool bv;
if ((count < 1) || (count > 11))
return -EINVAL;
@ -642,11 +652,8 @@ static ssize_t cifs_security_flags_proc_write(struct file *file,
if (count < 3) {
/* single char or single char followed by null */
c = flags_string[0];
if (c == '0' || c == 'n' || c == 'N') {
global_secflags = CIFSSEC_DEF; /* default */
return count;
} else if (c == '1' || c == 'y' || c == 'Y') {
global_secflags = CIFSSEC_MAX;
if (strtobool(&c, &bv) == 0) {
global_secflags = bv ? CIFSSEC_MAX : CIFSSEC_DEF;
return count;
} else if (!isdigit(c)) {
cifs_dbg(VFS, "Invalid SecurityFlags: %s\n",