forked from Minki/linux
[media] s5p-jpeg: don't return a random width/height
Gcc 7.1 complains about: drivers/media/platform/s5p-jpeg/jpeg-core.c: In function 's5p_jpeg_parse_hdr.isra.9': drivers/media/platform/s5p-jpeg/jpeg-core.c:1207:12: warning: 'width' may be used uninitialized in this function [-Wmaybe-uninitialized] result->w = width; ~~~~~~~~~~^~~~~~~ drivers/media/platform/s5p-jpeg/jpeg-core.c:1208:12: warning: 'height' may be used uninitialized in this function [-Wmaybe-uninitialized] result->h = height; ~~~~~~~~~~^~~~~~~~ Indeed the code would allow it to return a random value (although it shouldn't happen, in practice). So, explicitly set both to zero, just in case. Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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@ -1099,10 +1099,10 @@ static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result,
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struct s5p_jpeg_ctx *ctx)
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{
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int c, components = 0, notfound, n_dht = 0, n_dqt = 0;
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unsigned int height, width, word, subsampling = 0, sos = 0, sof = 0,
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sof_len = 0;
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unsigned int dht[S5P_JPEG_MAX_MARKER], dht_len[S5P_JPEG_MAX_MARKER],
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dqt[S5P_JPEG_MAX_MARKER], dqt_len[S5P_JPEG_MAX_MARKER];
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unsigned int height = 0, width = 0, word, subsampling = 0;
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unsigned int sos = 0, sof = 0, sof_len = 0;
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unsigned int dht[S5P_JPEG_MAX_MARKER], dht_len[S5P_JPEG_MAX_MARKER];
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unsigned int dqt[S5P_JPEG_MAX_MARKER], dqt_len[S5P_JPEG_MAX_MARKER];
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long length;
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struct s5p_jpeg_buffer jpeg_buffer;
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