Commit-ID: bafac298fb20e9ae1305c710d4fd8d20c5911afa Gitweb: http://git.kernel.org/tip/bafac298fb20e9ae1305c710d4fd8d20c5911afa Author: Jiang Liu <[email protected]> AuthorDate: Sat, 20 Jun 2015 11:50:50 +0200 Committer: Thomas Gleixner <[email protected]> CommitDate: Sat, 20 Jun 2015 12:00:58 +0200
x86/hpet: Check for irq==0 when allocating hpet MSI interrupts irq == 0 is not a valid irq for a irqdomain MSI allocation, but hpet code checks only for negative return values. Reported-by: Sergey Senozhatsky <[email protected]> Cc: Borislav Petkov <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]> --- arch/x86/kernel/hpet.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index e2449cf..c47aab3 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -578,7 +578,7 @@ static void hpet_msi_capability_lookup(unsigned int start_timer) continue; irq = hpet_assign_irq(hpet_domain, hdev, hdev->num); - if (irq < 0) + if (irq <= 0) continue; sprintf(hdev->name, "hpet%d", i); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/
