wifi: libertas: fix memory leak in lbs_init_adapter()

[ Upstream commit 16a03958618fb91bb1bc7077cf3211055162cc2f ]

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
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/wireless/marvell/libertas/main.c b/drivers/net/wireless/marvell/libertas/main.c
index 64fc5e41086482c376e7dd0e3814d0ba33fc60c5..b739a490fc20aee92bf1e9654871801123b66fd8 100644 (file)
--- a/drivers/net/wireless/marvell/libertas/main.c
+++ b/drivers/net/wireless/marvell/libertas/main.c
@@ -870,6 +870,7 @@ 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;
        }