[tip: perf/core] perf/core: Fix perf_mmap() failure path

[tip-bot2 for Peter Zijlstra]

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     66477c7230eb1f9b90deb8c0f4da2bac2053c329
Gitweb:        https://git.kernel.org/tip/66477c7230eb1f9b90deb8c0f4da2bac2053c329
Author:        Peter Zijlstra <peterz@xxxxxxxxxxxxx>
AuthorDate:    Mon, 04 Nov 2024 14:39:24 +01:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Tue, 04 Mar 2025 09:43:26 +01:00

perf/core: Fix perf_mmap() failure path

When f_ops->mmap() returns failure, m_ops->close() is *not* called.

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Acked-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
Reviewed-by: Ravi Bangoria <ravi.bangoria@xxxxxxx>
Link: https://lore.kernel.org/r/20241104135519.248358497@xxxxxxxxxxxxx
---
 kernel/events/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 8b2a8c3..b2334d2 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6903,7 +6903,7 @@ aux_unlock:
 	if (!ret)
 		ret = map_range(rb, vma);
 
-	if (event->pmu->event_mapped)
+	if (!ret && event->pmu->event_mapped)
 		event->pmu->event_mapped(event, vma->vm_mm);
 
 	return ret;