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| author | David S. Miller <davem@sunset.davemloft.net> | 2007-02-26 18:46:54 +0100 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-02-26 20:35:51 +0100 |
| commit | 19ba1b19962aeb87a029b37234f54b02e8f7b507 (patch) | |
| tree | 718df51edcc2926fa40302c3b29bc04f59d150b7 /drivers/sbus/char/uctrl.c | |
| parent | [SPARC64]: Update defconfig. (diff) | |
| download | linux-19ba1b19962aeb87a029b37234f54b02e8f7b507.tar.xz linux-19ba1b19962aeb87a029b37234f54b02e8f7b507.zip | |
[SPARC] uctrl: Check request_irq() return value.
Based upon a patch by Monakhov Dmitriy.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/sbus/char/uctrl.c')
| -rw-r--r-- | drivers/sbus/char/uctrl.c | 8 |
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", |