AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-30 06:46:41 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

x86/hpet: Check for irq==0 when allocating hpet MSI interrupts

Browse Source 
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 <sergey.senozhatsky@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>
Link: http://lkml.kernel.org/r/558447AF.30703@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Jiang Liu 2015-06-20 11:50:50 +02:00 committed by Thomas Gleixner
parent f6b1464f64
commit bafac298fb
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/kernel/hpet.c
View File

@ -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);