From: Roel Kluin <12o3l@tiscali.nl>
Date: Wed, 21 Nov 2007 22:51:47 +0000 (-0800)
Subject: [ARM] PXA ssp: unlock when ssp tries to close an invalid port
X-Git-Tag: firefly_0821_release~24002^2~2^2~7
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1f809226b9f4d3a89e42212fed7b482e8b30f77c;p=firefly-linux-kernel-4.4.55.git

[ARM] PXA ssp: unlock when ssp tries to close an invalid port

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/mach-pxa/ssp.c b/arch/arm/mach-pxa/ssp.c
index 71766ac0328b..422afee88169 100644
--- a/arch/arm/mach-pxa/ssp.c
+++ b/arch/arm/mach-pxa/ssp.c
@@ -309,6 +309,7 @@ void ssp_exit(struct ssp_dev *dev)
 
     	if (dev->port > PXA_SSP_PORTS || dev->port == 0) {
 		printk(KERN_WARNING "SSP: tried to close invalid port\n");
+		mutex_unlock(&mutex);
 		return;
 	}