6.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Peter Zijlstra peterz@infradead.org
[ Upstream commit 66477c7230eb1f9b90deb8c0f4da2bac2053c329 ]
When f_ops->mmap() returns failure, m_ops->close() is *not* called.
Signed-off-by: Peter Zijlstra (Intel) peterz@infradead.org Signed-off-by: Ingo Molnar mingo@kernel.org Acked-by: Lorenzo Stoakes lorenzo.stoakes@oracle.com Reviewed-by: Ravi Bangoria ravi.bangoria@amd.com Link: https://lore.kernel.org/r/20241104135519.248358497@infradead.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 de838d3819ca7..dda1670b3539a 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -6834,7 +6834,7 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) 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;