git: 60c952d47249 - stable/13 - tty: Remove an incorrect assertion from ttyinq_line_iterate()

From: Mark Johnston <markj_at_FreeBSD.org>
Date: Mon, 18 Apr 2022 16:20:07 UTC
The branch stable/13 has been updated by markj:

URL: https://cgit.FreeBSD.org/src/commit/?id=60c952d4724974b877b2ec02784e22b74dab8809

commit 60c952d4724974b877b2ec02784e22b74dab8809
Author:     Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2022-04-12 21:30:04 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2022-04-18 16:19:57 +0000

    tty: Remove an incorrect assertion from ttyinq_line_iterate()
    
    We may legitimately have tib == NULL if we're at the very end of the
    queue.
    
    PR:             215373
    Reported by:    pho
    Sponsored by:   The FreeBSD Foundation
    
    (cherry picked from commit d769609620931a62ebacbd4f1f5fd048c7e3d7c0)
---
 sys/kern/tty_inq.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/sys/kern/tty_inq.c b/sys/kern/tty_inq.c
index bd26211735d2..069da33ab26a 100644
--- a/sys/kern/tty_inq.c
+++ b/sys/kern/tty_inq.c
@@ -464,7 +464,6 @@ ttyinq_line_iterate(struct ttyinq *ti,
 		/* Last byte iterated - go to the next block. */
 		if (boff == TTYINQ_DATASIZE - 1)
 			tib = tib->tib_next;
-		MPASS(tib != NULL);
 	}
 }