Author: kevans
Date: Tue Dec 3 19:14:02 2019
New Revision: 355355
URL: https://svnweb.freebsd.org/changeset/base/355355
Log:
MFC r355205: snp: don't reference tp->t_mtx directly
This is the only part of snp(4) that pokes around in struct tty directly;
replace it with the tty_getlock accessor to avoid struct tty internals.
Modified:
stable/11/sys/dev/snp/snp.c
Directory Properties:
stable/11/ (props changed)
Changes in other areas also in this revision:
Modified:
stable/12/sys/dev/snp/snp.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/11/sys/dev/snp/snp.c
==============================================================================
--- stable/11/sys/dev/snp/snp.c Tue Dec 3 19:00:12 2019 (r355354)
+++ stable/11/sys/dev/snp/snp.c Tue Dec 3 19:14:02 2019 (r355355)
@@ -174,7 +174,7 @@ snp_read(struct cdev *dev, struct uio *uio, int flag)
error = EWOULDBLOCK;
break;
}
- error = cv_wait_sig(&ss->snp_outwait, tp->t_mtx);
+ error = cv_wait_sig(&ss->snp_outwait, tty_getlock(tp));
if (error != 0)
break;
if (tty_gone(tp)) {
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