git: 39888ed7a3dc - main - kern_intr: Check for NULL event in intr_destroy()
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Date: Sat, 15 Oct 2022 18:52:10 UTC
The branch main has been updated by mhorne: URL: https://cgit.FreeBSD.org/src/commit/?id=39888ed7a3dca81c5d5c886e699dbcf58953137f commit 39888ed7a3dca81c5d5c886e699dbcf58953137f Author: Mitchell Horne <mhorne@FreeBSD.org> AuthorDate: 2022-10-15 18:43:53 +0000 Commit: Mitchell Horne <mhorne@FreeBSD.org> CommitDate: 2022-10-15 18:51:44 +0000 kern_intr: Check for NULL event in intr_destroy() It likely won't happen, but is consistent with the other functions of this KPI. Reviewed by: imp, jhb MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D33479 --- sys/kern/kern_intr.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sys/kern/kern_intr.c b/sys/kern/kern_intr.c index bcd5dc82864e..2d44e657b7f0 100644 --- a/sys/kern/kern_intr.c +++ b/sys/kern/kern_intr.c @@ -532,6 +532,9 @@ int intr_event_destroy(struct intr_event *ie) { + if (ie == NULL) + return (EINVAL); + mtx_lock(&event_lock); mtx_lock(&ie->ie_lock); if (!CK_SLIST_EMPTY(&ie->ie_handlers)) {