patch "staging: vt6656: Power save stop wake_up_count wrap around." added to staging-linus

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

staging: vt6656: Power save stop wake_up_count wrap around.

to my staging git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
in the staging-linus branch.

The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)

The patch will hopefully also be merged in Linus's tree for the next -rc kernel release.

If you have any questions about this process, please let me know.

From ea81c3486442f4643fc9825a2bb1b430b829bccd Mon Sep 17 00:00:00 2001
From: Malcolm Priestley <[email protected]>
Date: Tue, 14 Apr 2020 11:39:23 +0100
Subject: staging: vt6656: Power save stop wake_up_count wrap around.

conf.listen_interval can sometimes be zero causing wake_up_count to wrap around up to many beacons too late causing CTRL-EVENT-BEACON-LOSS as in.

wpa_supplicant[795]: message repeated 45 times: [..CTRL-EVENT-BEACON-LOSS ]

---
 drivers/staging/vt6656/usbpipe.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

index eae211e5860f..91b62c3dff7b 100644
@@ -207,7 +207,8 @@ static void vnt_int_process_data(struct vnt_private *priv)
 				priv->wake_up_count =
 					priv->hw->conf.listen_interval;
 
-			--priv->wake_up_count;
+			if (priv->wake_up_count)
+				--priv->wake_up_count;
 
 			/* Turn on wake up to listen next beacon */
 			if (priv->wake_up_count == 1)

2.26.1