[ 56/68] media: staging: lirc_serial: Fix deadlock on resume failure
From: Greg KH
Date: Fri Mar 09 2012 - 14:59:43 EST
3.0-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
commit 1ff1d88e862948ae5bfe490248c023ff8ac2855d upstream.
A resume function cannot remove the device it is resuming!
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Signed-off-by: Jonathan Nieder <jrnieder@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/lirc/lirc_serial.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- a/drivers/staging/lirc/lirc_serial.c
+++ b/drivers/staging/lirc/lirc_serial.c
@@ -1127,10 +1127,8 @@ static int lirc_serial_resume(struct pla
{
unsigned long flags;
- if (hardware_init_port() < 0) {
- lirc_serial_exit();
+ if (hardware_init_port() < 0)
return -EINVAL;
- }
spin_lock_irqsave(&hardware[type].lock, flags);
/* Enable Interrupt */
--
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