The branch main has been updated by khng: URL: https://cgit.FreeBSD.org/src/commit/?id=5c1428d2c4a63ae373181579b3af35d7e12f2e7c
commit 5c1428d2c4a63ae373181579b3af35d7e12f2e7c Author: Ka Ho Ng <[email protected]> AuthorDate: 2021-08-24 14:39:43 +0000 Commit: Ka Ho Ng <[email protected]> CommitDate: 2021-08-24 15:49:18 +0000 uipc_shm: Handle offset on shm_size as if it is beyond shm_size This avoids any unnecessary works in such case. Sponsored by: The FreeBSD Foundation Reviewed by: markj, kib Differential Revision: https://reviews.freebsd.org/D31655 --- sys/kern/uipc_shm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/kern/uipc_shm.c b/sys/kern/uipc_shm.c index 60815ef24c26..c632c7f150df 100644 --- a/sys/kern/uipc_shm.c +++ b/sys/kern/uipc_shm.c @@ -1915,8 +1915,8 @@ shm_deallocate(struct shmfd *shmfd, off_t *offset, off_t *length, int flags) pi = OFF_TO_IDX(off + PAGE_MASK); error = 0; - /* Handle the case when offset is beyond shm size */ - if ((off_t)len < 0) { + /* Handle the case when offset is on or beyond shm size. */ + if ((off_t)len <= 0) { *offset = shmfd->shm_size; *length = 0; return (0); _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/dev-commits-src-all To unsubscribe, send any mail to "[email protected]"
