From 19ba1b19962aeb87a029b37234f54b02e8f7b507 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 26 Feb 2007 09:46:54 -0800 Subject: [PATCH] [SPARC] uctrl: Check request_irq() return value. Based upon a patch by Monakhov Dmitriy. Signed-off-by: David S. Miller --- drivers/sbus/char/uctrl.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c index 45cf5bc0bbe..44d2ef906ac 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", -- 2.41.1