proc_sysctl.c: use BUG_ON instead of BUG

The use of if (!head) BUG(); can be replaced with the single line
BUG_ON(!head).

Signed-off-by: Prasad Joshi <prasadjoshi.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index eb7cc91b7258870f89b77a60de4172dd6f1502b6..dcd56f84db7ebcce37e884cae218c90d795109b0 100644 (file)
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -266,8 +266,7 @@ void sysctl_head_put(struct ctl_table_header *head)
 
 static struct ctl_table_header *sysctl_head_grab(struct ctl_table_header *head)
 {
-       if (!head)
-               BUG();
+       BUG_ON(!head);
        spin_lock(&sysctl_lock);
        if (!use_table(head))
                head = ERR_PTR(-ENOENT);