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authorBen Hutchings <ben@decadent.org.uk>2011-11-16 01:54:04 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-11-24 18:18:21 -0200
commitaffc9a0d59ac49bd304e2137bd5e4ffdd6fdfa52 (patch)
treef524be2b735756ca8934d6b019b191b11c006b79 /drivers/staging/media
parent[media] staging: lirc_serial: Fix bogus error codes (diff)
downloadlinux-dev-affc9a0d59ac49bd304e2137bd5e4ffdd6fdfa52.tar.xz
linux-dev-affc9a0d59ac49bd304e2137bd5e4ffdd6fdfa52.zip
[media] staging: lirc_serial: Do not assume error codes returned by request_irq()
lirc_serial_probe() must fail if request_irq() returns an error, even if it isn't EBUSY or EINVAL, Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/staging/media')
-rw-r--r--drivers/staging/media/lirc/lirc_serial.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/staging/media/lirc/lirc_serial.c b/drivers/staging/media/lirc/lirc_serial.c
index 6f5257e68724..0ca308a1183c 100644
--- a/drivers/staging/media/lirc/lirc_serial.c
+++ b/drivers/staging/media/lirc/lirc_serial.c
@@ -843,18 +843,15 @@ static int __devinit lirc_serial_probe(struct platform_device *dev)
result = request_irq(irq, irq_handler,
(share_irq ? IRQF_SHARED : 0),
LIRC_DRIVER_NAME, (void *)&hardware);
-
- switch (result) {
- case -EBUSY:
- printk(KERN_ERR LIRC_DRIVER_NAME ": IRQ %d busy\n", irq);
- return -EBUSY;
- case -EINVAL:
- printk(KERN_ERR LIRC_DRIVER_NAME
- ": Bad irq number or handler\n");
- return -EINVAL;
- default:
- break;
- };
+ if (result < 0) {
+ if (result == -EBUSY)
+ printk(KERN_ERR LIRC_DRIVER_NAME ": IRQ %d busy\n",
+ irq);
+ else if (result == -EINVAL)
+ printk(KERN_ERR LIRC_DRIVER_NAME
+ ": Bad irq number or handler\n");
+ return result;
+ }
/* Reserve io region. */
/*