[PATCH] media: coda: Add check for dcoda_iram_alloc

[Jiasheng Jiang]

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@xxxxxxxxxxx>
---
 drivers/media/platform/chips-media/coda-bit.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/chips-media/coda-bit.c b/drivers/media/platform/chips-media/coda-bit.c
index 2736a902e3df..6d816fd69a17 100644
--- a/drivers/media/platform/chips-media/coda-bit.c
+++ b/drivers/media/platform/chips-media/coda-bit.c
@@ -854,7 +854,7 @@ 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;
 
@@ -878,7 +878,7 @@ 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;
 
-- 
2.25.1