From e7d1e0b752641963be2586b0d8a563294e8dc2e4 Mon Sep 17 00:00:00 2001 From: Jiasheng Jiang Date: Tue, 27 Sep 2022 09:28:13 +0800 Subject: [PATCH] media: coda: jpeg: Add check for kmalloc [ 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 Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/platform/chips-media/coda-jpeg.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/chips-media/coda-jpeg.c b/drivers/media/platform/chips-media/coda-jpeg.c index 435e703..ba8f410 100644 --- a/drivers/media/platform/chips-media/coda-jpeg.c +++ b/drivers/media/platform/chips-media/coda-jpeg.c @@ -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; -- 2.7.4