Patch "wifi: libertas: fix memory leak in lbs_init_adapter()" has been added to the 4.19-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    wifi: libertas: fix memory leak in lbs_init_adapter()

to the 4.19-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     wifi-libertas-fix-memory-leak-in-lbs_init_adapter.patch
and it can be found in the queue-4.19 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 412161fe30c30362c50c338c3dea18c1b4db95bb
Author: Zhengchao Shao <shaozhengchao@xxxxxxxxxx>
Date:   Thu Dec 8 20:14:48 2022 +0800

    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@xxxxxxxxxx>
    Reviewed-by: Jiri Pirko <jiri@xxxxxxxxxx>
    Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx>
    Link: https://lore.kernel.org/r/20221208121448.2845986-1-shaozhengchao@xxxxxxxxxx
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/net/wireless/marvell/libertas/main.c b/drivers/net/wireless/marvell/libertas/main.c
index f22e1c220cba1..41e37c17d9c28 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;
 	}