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authorJulia Lawall <julia@diku.dk>2008-04-28 02:16:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-28 08:58:43 -0700
commit2c11619a590e13fecc801c9c50859cba29740f38 (patch)
tree016c01a5a9558b1540514e5159444cec3614d1ca /fs/ext2/balloc.c
parent4c8b3125f8dcefd1ee2990113fe69cfa9e9fa609 (diff)
downloadlinux-2c11619a590e13fecc801c9c50859cba29740f38.tar.gz
fs/ext2: use BUG_ON
if (...) BUG(); should be replaced with BUG_ON(...) when the test has no
side-effects to allow a definition of BUG_ON that drops the code completely.

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@ disable unlikely @ expression E,f; @@

(
  if (<... f(...) ...>) { BUG(); }
|
- if (unlikely(E)) { BUG(); }
+ BUG_ON(E);
)

@@ expression E,f; @@

(
  if (<... f(...) ...>) { BUG(); }
|
- if (E) { BUG(); }
+ BUG_ON(E);
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ext2/balloc.c')
-rw-r--r--fs/ext2/balloc.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index e7b2bafa1dd9..c834f512dce5 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -245,8 +245,7 @@ restart:
 		prev = rsv;
 	}
 	printk("Window map complete.\n");
-	if (bad)
-		BUG();
+	BUG_ON(bad);
 }
 #define rsv_window_dump(root, verbose) \
 	__rsv_window_dump((root), (verbose), __FUNCTION__)