linux-kernel - [PATCH v2] media: venus: vdec: fixed possible memory leak issue

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Date:   Sun,  5 Dec 2021 01:55:04 +0500
From:   Ameer Hamza <amhamza.mgc@...il.com>
To:     stanimir.varbanov@...aro.org, agross@...nel.org,
        bjorn.andersson@...aro.org, mchehab@...nel.org
Cc:     linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, kieran.bingham@...asonboard.com,
        amhamza.mgc@...il.com
Subject: [PATCH v2] media: venus: vdec: fixed possible memory leak issue

Fixed coverity warning by freeing the allocated memory before return

Addresses-Coverity: 1494120 ("Resource leak")

Signed-off-by: Ameer Hamza <amhamza.mgc@...il.com>

---
Changes in v2:
move kfree() immediately after kfree() as suggested by Kieran Bingham
---
 drivers/media/platform/qcom/venus/helpers.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
index 84c3a511ec31..0bca95d01650 100644
--- a/drivers/media/platform/qcom/venus/helpers.c
+++ b/drivers/media/platform/qcom/venus/helpers.c
@@ -189,7 +189,6 @@ int venus_helper_alloc_dpb_bufs(struct venus_inst *inst)
 		buf->va = dma_alloc_attrs(dev, buf->size, &buf->da, GFP_KERNEL,
 					  buf->attrs);
 		if (!buf->va) {
-			kfree(buf);
 			ret = -ENOMEM;
 			goto fail;
 		}
@@ -209,6 +208,7 @@ int venus_helper_alloc_dpb_bufs(struct venus_inst *inst)
 	return 0;
 
 fail:
+	kfree(buf);
 	venus_helper_free_dpb_bufs(inst);
 	return ret;
 }
-- 
2.25.1