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avdevice/v4l2: use av_freep() to avoid leaving stale pointers in memory 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-12-12 14:46:46 +01:00
parent 30d2ac4bf9
commit eb725235b0
1 changed files with 3 additions and 3 deletions
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6
libavdevice/v4l2.c
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@ -356,7 +356,7 @@ static int mmap_init(AVFormatContext *ctx)
s->buf_len = av_malloc_array(s->buffers, sizeof(unsigned int));
if (!s->buf_len) {
av_log(ctx, AV_LOG_ERROR, "Cannot allocate buffer sizes\n");
av_free(s->buf_start);
av_freep(&s->buf_start);
return AVERROR(ENOMEM);
}
@ -634,8 +634,8 @@ static void mmap_close(struct video_data *s)
for (i = 0; i < s->buffers; i++) {
v4l2_munmap(s->buf_start[i], s->buf_len[i]);
}
av_free(s->buf_start);
av_free(s->buf_len);
av_freep(&s->buf_start);
av_freep(&s->buf_len);
}
static int v4l2_set_parameters(AVFormatContext *ctx)