From 6b8082238fb8bb20f67e46388123e67a5bbc558d Mon Sep 17 00:00:00 2001
From: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Date: Thu, 17 Nov 2022 14:56:52 +0800
Subject: [PATCH] media: coda: Add check for dcoda_iram_alloc
Git-commit: 6b8082238fb8bb20f67e46388123e67a5bbc558d
References: git-fixes
Patch-mainline: v6.2-rc1
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: Oliver Neukum <oneukum@suse.com>
---
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/coda/coda-bit.c
+++ b/drivers/media/platform/coda/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;
--
2.39.2