From: Amitkumar Karwar <akarwar@marvell.com>
Date: Tue, 28 Aug 2012 03:32:51 +0000 (-0700)
Subject: mwifiex: release semaphore acquired for internal scan operation
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=26fc36ab756d305274f056755705478dc4dda521;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

mwifiex: release semaphore acquired for internal scan operation

If "iw connect" command is fired for station interface, when
heavy traffic is running on AP interface, internal scan operation
performed before actual association is aborted. In this case we
missed to release semaphore.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index fad2c8d2bdde..c510563dc00d 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -92,6 +92,11 @@ static void scan_delay_timer_fn(unsigned long data)
 			kfree(priv->user_scan_cfg);
 			priv->user_scan_cfg = NULL;
 		}
+
+		if (priv->scan_pending_on_block) {
+			priv->scan_pending_on_block = false;
+			up(&priv->async_sem);
+		}
 		goto done;
 	}