Author: kevans
Date: Fri Nov 29 03:51:01 2019
New Revision: 355205
URL: https://svnweb.freebsd.org/changeset/base/355205

Log:
  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:
  head/sys/dev/snp/snp.c

Modified: head/sys/dev/snp/snp.c
==============================================================================
--- head/sys/dev/snp/snp.c      Fri Nov 29 03:31:47 2019        (r355204)
+++ head/sys/dev/snp/snp.c      Fri Nov 29 03:51:01 2019        (r355205)
@@ -178,7 +178,7 @@ 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)) {
_______________________________________________
svn-src-head@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"

Reply via email to