The branch stable/13 has been updated by mhorne: URL: https://cgit.FreeBSD.org/src/commit/?id=f177e00aefa49df572914fc061dd191e1b6e25f3
commit f177e00aefa49df572914fc061dd191e1b6e25f3 Author: Mitchell Horne <[email protected]> AuthorDate: 2022-10-15 18:43:53 +0000 Commit: Mitchell Horne <[email protected]> CommitDate: 2022-10-24 15:53:11 +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 (cherry picked from commit 39888ed7a3dca81c5d5c886e699dbcf58953137f) --- 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 449ae224bbe0..29e88ff42ae4 100644 --- a/sys/kern/kern_intr.c +++ b/sys/kern/kern_intr.c @@ -505,6 +505,9 @@ 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)) {
