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authorDavid S. Miller <davem@sunset.davemloft.net>2007-02-26 20:46:54 +0300
committerDavid S. Miller <davem@sunset.davemloft.net>2007-02-26 22:35:51 +0300
commit19ba1b19962aeb87a029b37234f54b02e8f7b507 (patch)
tree718df51edcc2926fa40302c3b29bc04f59d150b7
parentc5b002c1bf31d1145271b28ed63db5e4f893dfd3 (diff)
downloadlinux-19ba1b19962aeb87a029b37234f54b02e8f7b507.tar.xz
[SPARC] uctrl: Check request_irq() return value.
Based upon a patch by Monakhov Dmitriy. Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/sbus/char/uctrl.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
index 45cf5bc0bbee..44d2ef906ac7 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",