From: Jiasheng Jiang jiasheng@iscas.ac.cn
[ Upstream commit 6b8082238fb8bb20f67e46388123e67a5bbc558d ]
As the coda_iram_alloc may return NULL pointer, it should be better to check the return value in order to avoid NULL poineter dereference, same as the others.
Fixes: b313bcc9a467 ("[media] coda: simplify IRAM setup") 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 --- drivers/media/platform/coda/coda-bit.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c index 7b4c93619c3d..b62c7098fc8c 100644 --- a/drivers/media/platform/coda/coda-bit.c +++ b/drivers/media/platform/coda/coda-bit.c @@ -595,7 +595,7 @@ static void coda_setup_iram(struct coda_ctx *ctx) /* Only H.264BP and H.263P3 are considered */ iram_info->buf_dbk_y_use = coda_iram_alloc(iram_info, w64); iram_info->buf_dbk_c_use = coda_iram_alloc(iram_info, w64); - if (!iram_info->buf_dbk_c_use) + if (!iram_info->buf_dbk_y_use || !iram_info->buf_dbk_c_use) goto out; iram_info->axi_sram_use |= dbk_bits;
@@ -619,7 +619,7 @@ static void coda_setup_iram(struct coda_ctx *ctx)
iram_info->buf_dbk_y_use = coda_iram_alloc(iram_info, w128); iram_info->buf_dbk_c_use = coda_iram_alloc(iram_info, w128); - if (!iram_info->buf_dbk_c_use) + if (!iram_info->buf_dbk_y_use || !iram_info->buf_dbk_c_use) goto out; iram_info->axi_sram_use |= dbk_bits;