From: David S. Miller Date: Mon, 26 Feb 2007 17:46:54 +0000 (-0800) Subject: [SPARC] uctrl: Check request_irq() return value. X-Git-Tag: 2.1b_release~29484^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=19ba1b19962aeb87a029b37234f54b02e8f7b507;p=platform%2Fkernel%2Fkernel-mfld-blackbay.git [SPARC] uctrl: Check request_irq() return value. Based upon a patch by Monakhov Dmitriy. Signed-off-by: David S. Miller --- diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c index 45cf5bc..44d2ef9 100644 --- a/drivers/sbus/char/uctrl.c +++ b/drivers/sbus/char/uctrl.c @@ -364,6 +364,7 @@ static int __init ts102_uctrl_init(void) struct linux_prom_irqs tmp_irq[2]; unsigned int vaddr[2] = { 0, 0 }; int tmpnode, uctrlnode = prom_getchild(prom_root_node); + int err; tmpnode = prom_searchsiblings(uctrlnode, "obio"); @@ -389,7 +390,12 @@ static int __init ts102_uctrl_init(void) if(!driver->irq) driver->irq = tmp_irq[0].pri; - request_irq(driver->irq, uctrl_interrupt, 0, "uctrl", driver); + err = request_irq(driver->irq, uctrl_interrupt, 0, "uctrl", driver); + if (err) { + printk("%s: unable to register irq %d\n", + __FUNCTION__, driver->irq); + return err; + } if (misc_register(&uctrl_dev)) { printk("%s: unable to get misc minor %d\n",