Patch "rtl8188eu: Fix a possible sleep-in-atomic bug in rtw_disassoc_cmd" has been added to the 4.14-stable tree

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

rtl8188eu: Fix a possible sleep-in-atomic bug in rtw_disassoc_cmd

to the 4.14-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:
rtl8188eu-fix-a-possible-sleep-in-atomic-bug-in-rtw_disassoc_cmd.patch
and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Jia-Ju Bai <[email protected]>
Date: Sun, 8 Oct 2017 19:54:07 +0800
Subject: rtl8188eu: Fix a possible sleep-in-atomic bug in rtw_disassoc_cmd

From: Jia-Ju Bai <[email protected]>

[ Upstream commit 08880f8e08cbd814e870e9d3ab9530abc1bce226 ]

The driver may sleep under a spinlock, and the function call path is:
rtw_set_802_11_bssid(acquire the spinlock)
rtw_disassoc_cmd

    kzalloc(GFP_KERNEL) --> may sleep

To fix it, GFP_KERNEL is replaced with GFP_ATOMIC. This bug is found by my static analysis tool and my code review.

---
 drivers/staging/rtl8188eu/core/rtw_cmd.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

@@ -508,7 +508,7 @@ u8 rtw_disassoc_cmd(struct adapter *pada
 
 	if (enqueue) {
 		/* need enqueue, prepare cmd_obj and enqueue */
-		cmdobj = kzalloc(sizeof(*cmdobj), GFP_KERNEL);
+		cmdobj = kzalloc(sizeof(*cmdobj), GFP_ATOMIC);
 		if (!cmdobj) {
 			res = _FAIL;
 			kfree(param);

Patches currently in stable-queue which might be from [email protected] are

queue-4.14/rtl8188eu-fix-a-possible-sleep-in-atomic-bug-in-rtw_createbss_cmd.patch queue-4.14/rtl8188eu-fix-a-possible-sleep-in-atomic-bug-in-rtw_disassoc_cmd.patch queue-4.14/vt6655-fix-a-possible-sleep-in-atomic-bug-in-vt6655_suspend.patch