Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-17 13:58:46 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

perf/marvell_cn10k: Fix tad_pmu_event_init() to check pmu type first

Browse Source 
Make sure to check the pmu type first and then check event->attr.disabled.
Doing so would avoid reading the disabled attribute of an event that is
not handled by TAD PMU.

Signed-off-by: Tanmay Jagdale <tanmay@marvell.com>
Link: https://lore.kernel.org/r/20220510102657.487539-1-tanmay@marvell.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Tanmay Jagdale 2022-05-10 15:56:57 +05:30 committed by Will Deacon
parent 6b79738b6e
commit 33835e8dfb
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/perf/marvell_cn10k_tad_pmu.c
View File

@ -146,12 +146,12 @@ static int tad_pmu_event_init(struct perf_event *event)
{
struct tad_pmu *tad_pmu = to_tad_pmu(event->pmu);
if (!event->attr.disabled)
return -EINVAL;
if (event->attr.type != event->pmu->type)
return -ENOENT;
if (!event->attr.disabled)
return -EINVAL;
if (event->state != PERF_EVENT_STATE_OFF)
return -EINVAL;