->permission() sanitizing: MAY_NOT_BLOCK

Duplicate the flags argument into mask bitmap.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index d167de365a8d..349b22f434d8 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -316,7 +316,7 @@ static int proc_sys_permission(struct inode *inode, int mask,unsigned int flags)
         if (!table) /* global root - r-xr-xr-x */
                 error = mask & MAY_WRITE ? -EACCES : 0;
         else /* Use the permissions on the sysctl table entry */
-                error = sysctl_perm(head->root, table, mask);
+                error = sysctl_perm(head->root, table, mask & ~MAY_NOT_BLOCK);
 
         sysctl_head_finish(head);
         return error;