[FFmpeg-cvslog] avcodec/zmbv: remove useless zero check on dimensions

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Mon Aug 27 00:46:54 2018 +0200| [42f053494ca1188fe1b9000d4bba53375ee1dc20] | committer: Michael Niedermayer

avcodec/zmbv: remove useless zero check on dimensions

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=42f053494ca1188fe1b9000d4bba53375ee1dc20
---

 libavcodec/zmbv.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/libavcodec/zmbv.c b/libavcodec/zmbv.c
index f91d2e3931..251a72cf31 100644
--- a/libavcodec/zmbv.c
+++ b/libavcodec/zmbv.c
@@ -599,12 +599,11 @@ static av_cold int decode_init(AVCodecContext *avctx)
     c->decomp_size = (avctx->width + 255) * 4 * (avctx->height + 64);
 
     /* Allocate decompression buffer */
-    if (c->decomp_size) {
-        if (!(c->decomp_buf = av_mallocz(c->decomp_size))) {
-            av_log(avctx, AV_LOG_ERROR,
-                   "Can't allocate decompression buffer.\n");
-            return AVERROR(ENOMEM);
-        }
+    c->decomp_buf = av_mallocz(c->decomp_size);
+    if (!c->decomp_buf) {
+        av_log(avctx, AV_LOG_ERROR,
+                "Can't allocate decompression buffer.\n");
+        return AVERROR(ENOMEM);
     }
 
     c->zstream.zalloc = Z_NULL;