kernel/panic.c: reduce 1 byte usage for print tainted buffer
authorChen Gang <gang.chen@asianux.com>
Tue, 12 Nov 2013 23:11:32 +0000 (15:11 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 13 Nov 2013 03:09:35 +0000 (12:09 +0900)
sizeof("Tainted: ") already counts '\0', and after first sprintf(), 's'
will start from the current string end (its' value is '\0').

So need not add additional 1 byte for maximized usage of 'buf' in
print_tainted().

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/panic.c

index b6c482c..c00b4ce 100644 (file)
@@ -233,7 +233,7 @@ static const struct tnt tnts[] = {
  */
 const char *print_tainted(void)
 {
-       static char buf[ARRAY_SIZE(tnts) + sizeof("Tainted: ") + 1];
+       static char buf[ARRAY_SIZE(tnts) + sizeof("Tainted: ")];
 
        if (tainted_mask) {
                char *s;