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authorluanshi <zhangliguang@linux.alibaba.com>2020-02-26 12:25:06 +0800
committerWill Deacon <will@kernel.org>2020-03-02 11:27:21 +0000
commitaaa19727159ef5616219a4b9dad7a84e693aebf5 (patch)
tree86bed34b6447f8c2da24327845958e83192dbfe6 /drivers/perf
parentf8788d86ab28f61f7b46eb6be375f8a726783636 (diff)
perf: arm_spe: Remove unnecessary zero check on 'nr_pages'
We already check that the 'nr_pages' is > 2, so there's no need to check that it's != 0 later on. Signed-off-by: Liguang Zhang <zhangliguang@linux.alibaba.com> Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/perf')
-rw-r--r--drivers/perf/arm_spe_pmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 4e4984a55cd1..b72c04852599 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -831,7 +831,7 @@ static void *arm_spe_pmu_setup_aux(struct perf_event *event, void **pages,
* parts and give userspace a fighting chance of getting some
* useful data out of it.
*/
- if (!nr_pages || (snapshot && (nr_pages & 1)))
+ if (snapshot && (nr_pages & 1))
return NULL;
if (cpu == -1)