[FFmpeg-devel] [PATCH] avcodec/tiff_common: allow count = 0 in ff_tadd_bytes_metadata()

Michael Niedermayer michaelni at gmx.at
Thu Oct 31 23:35:53 CET 2013


Fixes Ticket3103

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
---
 libavcodec/tiff_common.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/tiff_common.c b/libavcodec/tiff_common.c
index 6a10d71..ce91219 100644
--- a/libavcodec/tiff_common.c
+++ b/libavcodec/tiff_common.c
@@ -219,7 +219,7 @@ int ff_tadd_bytes_metadata(int count, const char *name, const char *sep,
     char *ap;
     int i;
 
-    if (count >= INT_MAX / sizeof(int8_t) || count <= 0)
+    if (count >= INT_MAX / sizeof(int8_t) || count < 0)
         return AVERROR_INVALIDDATA;
     if (bytestream2_get_bytes_left(gb) < count * sizeof(int8_t))
         return AVERROR_INVALIDDATA;
-- 
1.7.9.5



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