diff options
Diffstat (limited to 'fs/cifs/cifs_debug.c')
| -rw-r--r-- | fs/cifs/cifs_debug.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index 56c5d9126f50..73c4c419663c 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -879,11 +879,16 @@ security_flags_write(struct file *file, const char __user *buffer, if (count < 3) { /* single char or single char followed by null */ c = flags_string[0]; - if (c == '0' || c == 'n' || c == 'N') + if (c == '0' || c == 'n' || c == 'N') { extended_security = CIFSSEC_DEF; /* default */ - else if (c == '1' || c == 'y' || c == 'Y') + return count; + } else if (c == '1' || c == 'y' || c == 'Y') { extended_security = CIFSSEC_MAX; - return count; + return count; + } else if (!isdigit(c)) { + cERROR(1, ("invalid flag %c", c)); + return -EINVAL; + } } /* else we have a number */ |