[PATCH] soc: qcom: wcnss: fix leak of fw

[PATCH] soc: qcom: wcnss: fix leak of fw

[Rosen Penev]

The kzalloc_flex call needs to release it, not just blindly return.

Also move kfree up as it is allocated after fw.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/r/202604060902.awXdPsBh-lkp@intel.com/
Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 drivers/soc/qcom/wcnss_ctrl.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/soc/qcom/wcnss_ctrl.c b/drivers/soc/qcom/wcnss_ctrl.c
index ffb31a049d4a..942e11feba65 100644
--- a/drivers/soc/qcom/wcnss_ctrl.c
+++ b/drivers/soc/qcom/wcnss_ctrl.c
@@ -221,8 +221,10 @@ static int wcnss_download_nv(struct wcnss_ctrl *wcnss, bool *expect_cbc)
 	left = fw->size;
 
 	req = kzalloc_flex(*req, fragment, NV_FRAGMENT_SIZE);
-	if (!req)
-		return -ENOMEM;
+	if (!req) {
+		ret = -ENOMEM;
+		goto release_fw;
+	}
 
 	req->frag_size = NV_FRAGMENT_SIZE;
 	req->hdr.type = WCNSS_DOWNLOAD_NV_REQ;
@@ -243,7 +245,7 @@ static int wcnss_download_nv(struct wcnss_ctrl *wcnss, bool *expect_cbc)
 		ret = rpmsg_send(wcnss->channel, req, req->hdr.len);
 		if (ret < 0) {
 			dev_err(dev, "failed to send smd packet\n");
-			goto release_fw;
+			goto release_req;
 		}
 
 		/* Increment for next fragment */
@@ -262,9 +264,10 @@ static int wcnss_download_nv(struct wcnss_ctrl *wcnss, bool *expect_cbc)
 		ret = 0;
 	}
 
+release_req:
+	kfree(req);
 release_fw:
 	release_firmware(fw);
-	kfree(req);
 
 	return ret;
 }
-- 
2.53.0