From 16a03958618fb91bb1bc7077cf3211055162cc2f Mon Sep 17 00:00:00 2001
From: Zhengchao Shao <shaozhengchao@huawei.com>
Date: Thu, 8 Dec 2022 20:14:48 +0800
Subject: [PATCH] wifi: libertas: fix memory leak in lbs_init_adapter()
Git-commit: 16a03958618fb91bb1bc7077cf3211055162cc2f
Patch-mainline: v6.3-rc1
References: git-fixes

When kfifo_alloc() failed in lbs_init_adapter(), cmd buffer is not
released. Add free memory to processing error path.

Fixes: 7919b89c8276 ("libertas: convert libertas driver to use an event/cmdresp queue")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221208121448.2845986-1-shaozhengchao@huawei.com
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/net/wireless/marvell/libertas/main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/marvell/libertas/main.c b/drivers/net/wireless/marvell/libertas/main.c
index 8f5220cee112..ae975304cfcf 100644
--- a/drivers/net/wireless/marvell/libertas/main.c
+++ b/drivers/net/wireless/marvell/libertas/main.c
@@ -869,6 +869,7 @@ static int lbs_init_adapter(struct lbs_private *priv)
 	ret = kfifo_alloc(&priv->event_fifo, sizeof(u32) * 16, GFP_KERNEL);
 	if (ret) {
 		pr_err("Out of memory allocating event FIFO buffer\n");
+		lbs_free_cmd_buffer(priv);
 		goto out;
 	}
 
-- 
2.35.3