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media: coda: jpeg: Add check for kmalloc

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[ Upstream commit f30ce3d3760b22ee33c8d9c2e223764ad30bdc5f ]

As kmalloc can return NULL pointer, it should be better to
check the return value and return error, same as
coda_jpeg_decode_header.

Fixes: 96f6f62c4656 ("media: coda: jpeg: add CODA960 JPEG encoder support")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiasheng Jiang 2022-09-27 09:28:13 +08:00 committed by Greg Kroah-Hartman
parent 9a402adc9f
commit aa81257dbf
1 changed files with 8 additions and 2 deletions
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10
drivers/media/platform/coda/coda-jpeg.c
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@ -1052,10 +1052,16 @@ static int coda9_jpeg_start_encoding(struct coda_ctx *ctx)
v4l2_err(&dev->v4l2_dev, "error loading Huffman tables\n");
return ret;
}
if (!ctx->params.jpeg_qmat_tab[0])
if (!ctx->params.jpeg_qmat_tab[0]) {
ctx->params.jpeg_qmat_tab[0] = kmalloc(64, GFP_KERNEL);
if (!ctx->params.jpeg_qmat_tab[1])
if (!ctx->params.jpeg_qmat_tab[0])
return -ENOMEM;
}
if (!ctx->params.jpeg_qmat_tab[1]) {
ctx->params.jpeg_qmat_tab[1] = kmalloc(64, GFP_KERNEL);
if (!ctx->params.jpeg_qmat_tab[1])
return -ENOMEM;
}
coda_set_jpeg_compression_quality(ctx, ctx->params.jpeg_quality);
return 0;