[FFmpeg-cvslog] avutil/mem: fix wrong comment

[Zhao Zhili]

ffmpeg | branch: master | Zhao Zhili <wantlamy at gmail.com> | Tue Jul 19 00:03:19 2016 +0800| [450cf400fc4ec0ec24c96e6dfa95eb1b9d0f48a7] | committer: Michael Niedermayer

avutil/mem: fix wrong comment

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=450cf400fc4ec0ec24c96e6dfa95eb1b9d0f48a7
---

 libavutil/mem.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavutil/mem.h b/libavutil/mem.h
index d25b322..2f53b47 100644
--- a/libavutil/mem.h
+++ b/libavutil/mem.h
@@ -339,8 +339,8 @@ void *av_dynarray2_add(void **tab_ptr, int *nb_ptr, size_t elem_size,
 static inline int av_size_mult(size_t a, size_t b, size_t *r)
 {
     size_t t = a * b;
-    /* Hack inspired from glibc: only try the division if nelem and elsize
-     * are both greater than sqrt(SIZE_MAX). */
+    /* Hack inspired from glibc: don't try the division if nelem and elsize
+     * are both less than sqrt(SIZE_MAX). */
     if ((a | b) >= ((size_t)1 << (sizeof(size_t) * 4)) && a && t / a != b)
         return AVERROR(EINVAL);
     *r = t;