diff options
Diffstat (limited to 'security/security.c')
| -rw-r--r-- | security/security.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/security/security.c b/security/security.c index 6650d1013dcc..c0a0b7edecea 100644 --- a/security/security.c +++ b/security/security.c @@ -1430,6 +1430,23 @@ int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return call_int_hook(file_ioctl, 0, file, cmd, arg); } +/** + * security_file_ioctl_compat() - Check if an ioctl is allowed in compat mode + * @file: associated file + * @cmd: ioctl cmd + * @arg: ioctl arguments + * + * Compat version of security_file_ioctl() that correctly handles 32-bit + * processes running on 64-bit kernels. + * + * Return: Returns 0 if permission is granted. + */ +int security_file_ioctl_compat(struct file *file, unsigned int cmd, + unsigned long arg) +{ + return call_int_hook(file_ioctl_compat, 0, file, cmd, arg); +} + static inline unsigned long mmap_prot(struct file *file, unsigned long prot) { /* |