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authorMarcin Slusarz <marcin.slusarz@gmail.com>2009-09-21 17:04:29 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-22 07:17:47 -0700
commit2f30b1f9e1b612cdd1a17daeecf514229e8d6a5f (patch)
tree78be4b31e0fee84c34bcd53270257290098ee058 /lib/vsprintf.c
parentefc03ecb9d674588a13aee27289c2af2afe5e6b4 (diff)
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vsprintf: use WARN_ON_ONCE
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Reviewed-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/vsprintf.c')
-rw-r--r--lib/vsprintf.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index d320c1816a7b..73a14b8c6d1f 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1092,13 +1092,8 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
/* Reject out-of-range values early. Large positive sizes are
used for unknown buffer sizes. */
- if (unlikely((int) size < 0)) {
- /* There can be only one.. */
- static char warn = 1;
- WARN_ON(warn);
- warn = 0;
+ if (WARN_ON_ONCE((int) size < 0))
return 0;
- }
str = buf;
end = buf + size;
@@ -1544,13 +1539,8 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
struct printf_spec spec = {0};
- if (unlikely((int) size < 0)) {
- /* There can be only one.. */
- static char warn = 1;
- WARN_ON(warn);
- warn = 0;
+ if (WARN_ON_ONCE((int) size < 0))
return 0;
- }
str = buf;
end = buf + size;