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| author | Ruchi Kandoi <kandoiruchi@google.com> | 2014-03-07 12:54:30 -0800 |
|---|---|---|
| committer | Ziyan <jaraidaniel@gmail.com> | 2016-03-11 15:56:52 +0100 |
| commit | 64c760879d1bfd265c68fe6c9e13a2cf96131837 (patch) | |
| tree | 00a827b06faa4f0e96777807c418f5c7047215b6 /kernel | |
| parent | d6cf5c411d010443e8e9d764c0831bac4f082561 (diff) | |
| download | kernel_samsung_espresso10-64c760879d1bfd265c68fe6c9e13a2cf96131837.zip kernel_samsung_espresso10-64c760879d1bfd265c68fe6c9e13a2cf96131837.tar.gz kernel_samsung_espresso10-64c760879d1bfd265c68fe6c9e13a2cf96131837.tar.bz2 | |
Power: Add guard condition for maximum wakeup reasons
Ensure the array for the wakeup reason IRQs does not overflow.
Change-Id: Iddc57a3aeb1888f39d4e7b004164611803a4d37c
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/power/wakeup_reason.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/power/wakeup_reason.c b/kernel/power/wakeup_reason.c index 9823d9c..1e12773 100644 --- a/kernel/power/wakeup_reason.c +++ b/kernel/power/wakeup_reason.c @@ -78,6 +78,13 @@ void log_wakeup_reason(int irq) printk(KERN_INFO "Resume caused by IRQ %d\n", irq); spin_lock(&resume_reason_lock); + if (irq_count == MAX_WAKEUP_REASON_IRQS) { + spin_unlock(&resume_reason_lock); + printk(KERN_WARNING "Resume caused by more than %d IRQs\n", + MAX_WAKEUP_REASON_IRQS); + return; + } + irq_list[irq_count++] = irq; spin_unlock(&resume_reason_lock); } |