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avfilter/vf_libopencv: fix resource leak in read_shape_frame_filter

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CID: 1324298
add a label when error goto the label to release resource

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
This commit is contained in:
Steven Liu
2017-01-11 09:59:55 +08:00
parent 658e626cc0
commit 184c13f64a
1 changed files with 10 additions and 4 deletions
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14
libavfilter/vf_libopencv.c
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@@ -157,7 +157,8 @@ static int read_shape_from_file(int *cols, int *rows, int **values, const char *
if (buf[i] == '\n') {
if (*rows == INT_MAX) {
av_log(log_ctx, AV_LOG_ERROR, "Overflow on the number of rows in the file\n");
return AVERROR_INVALIDDATA;
ret = AVERROR_INVALIDDATA;
goto end;
}
++(*rows);
*cols = FFMAX(*cols, w);
@@ -171,10 +172,13 @@ static int read_shape_from_file(int *cols, int *rows, int **values, const char *
if (*rows > (SIZE_MAX / sizeof(int) / *cols)) {
av_log(log_ctx, AV_LOG_ERROR, "File with size %dx%d is too big\n",
*rows, *cols);
return AVERROR_INVALIDDATA;
ret = AVERROR_INVALIDDATA;
goto end;
}
if (!(*values = av_mallocz_array(sizeof(int) * *rows, *cols))) {
ret = AVERROR(ENOMEM);
goto end;
}
if (!(*values = av_mallocz_array(sizeof(int) * *rows, *cols)))
return AVERROR(ENOMEM);
/* fill *values */
p = buf;
@@ -188,6 +192,8 @@ static int read_shape_from_file(int *cols, int *rows, int **values, const char *
(*values)[*cols*i + j] = !!av_isgraph(*(p++));
}
}
end:
av_file_unmap(buf, size);
#ifdef DEBUG