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| author | Jan Beulich <JBeulich@novell.com> | 2011-05-24 17:13:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-25 08:39:47 -0700 |
| commit | d9be9b90d6dc5e712ca5d6109691a8de753ce7f1 (patch) | |
| tree | 1ba560ac75dd1a2575ee5ec95f91a9d549467361 /lib/vsprintf.c | |
| parent | 746a2a838deec3ef86ef6b7c3edd4207b9a351aa (diff) | |
| download | lwn-d9be9b90d6dc5e712ca5d6109691a8de753ce7f1.tar.gz lwn-d9be9b90d6dc5e712ca5d6109691a8de753ce7f1.zip | |
lib/vsprintf.c: fix interaction of kasprintf() and vsnprintf() when using %pV
Otherwise, the warning at the top of vsnprintf() gets triggered by
kvasprintf()'s first invocation (with NULL buffer and zero size) of
vsnprintf().
Signed-off-by: Jan Beulich <jbeulich@novell.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.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 1d659d7bb0f8..c11205688fb4 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -898,7 +898,7 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, case 'U': return uuid_string(buf, end, ptr, spec, fmt); case 'V': - return buf + vsnprintf(buf, end - buf, + return buf + vsnprintf(buf, end > buf ? end - buf : 0, ((struct va_format *)ptr)->fmt, *(((struct va_format *)ptr)->va)); case 'K': |