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drivers/rtc/rtc-cmos.c: propagate hpet_register_irq_handler() failure

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If hpet_register_irq_handler() fails, cmos_do_probe() will incorrectly
return 0.

Reported-by: Julia Lawall <[email protected]>
Cc: John Stultz <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: Rob Herring <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Andrew Morton 2014-01-23 15:55:15 -08:00 • committed by Linus Torvalds
commit 24b34472e2
1 changed files with 2 additions and 4 deletions
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6
drivers/rtc/rtc-cmos.c
View file

@ -756,11 +756,9 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
irq_handler_t rtc_cmos_int_handler;
if (is_hpet_enabled()) {
int err;
rtc_cmos_int_handler = hpet_rtc_interrupt;
err = hpet_register_irq_handler(cmos_interrupt);
if (err != 0) {
retval = hpet_register_irq_handler(cmos_interrupt);
if (retval) {
dev_warn(dev, "hpet_register_irq_handler "
" failed in rtc_init().");
goto cleanup1;