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vsprintf: use WARN_ON_ONCE

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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>
This commit is contained in:
Marcin Slusarz 2009-09-21 17:04:29 -07:00 • committed by Linus Torvalds
parent efc03ecb9d
commit 2f30b1f9e1
1 changed files with 2 additions and 12 deletions
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14
lib/vsprintf.c
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@ -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 /* Reject out-of-range values early. Large positive sizes are
used for unknown buffer sizes. */ used for unknown buffer sizes. */
if (unlikely((int) size < 0)) { if (WARN_ON_ONCE((int) size < 0))
/* There can be only one.. */
static char warn = 1;
WARN_ON(warn);
warn = 0;
return 0; return 0;
}
str = buf; str = buf;
end = buf + size; 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}; struct printf_spec spec = {0};
if (unlikely((int) size < 0)) { if (WARN_ON_ONCE((int) size < 0))
/* There can be only one.. */
static char warn = 1;
WARN_ON(warn);
warn = 0;
return 0; return 0;
}
str = buf; str = buf;
end = buf + size; end = buf + size;