svn commit: r330821 - head/sys/kern
Brooks Davis
brooks at FreeBSD.org
Mon Mar 12 23:04:43 UTC 2018
Author: brooks
Date: Mon Mar 12 23:04:42 2018
New Revision: 330821
URL: https://svnweb.freebsd.org/changeset/base/330821
Log:
Use the stack for temporary storage in OTIOCCONS.
The old code used the thread's pcb via the uap->data pointer.
Reviewed by: ed
Approved by: CheriBSD
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D14674
Modified:
head/sys/kern/tty_compat.c
Modified: head/sys/kern/tty_compat.c
==============================================================================
--- head/sys/kern/tty_compat.c Mon Mar 12 23:02:01 2018 (r330820)
+++ head/sys/kern/tty_compat.c Mon Mar 12 23:04:42 2018 (r330821)
@@ -262,9 +262,11 @@ tty_ioctl_compat(struct tty *tp, u_long com, caddr_t d
fflag, td));
}
- case OTIOCCONS:
- *(int *)data = 1;
- return (tty_ioctl(tp, TIOCCONS, data, fflag, td));
+ case OTIOCCONS: {
+ int one = 1;
+
+ return (tty_ioctl(tp, TIOCCONS, (caddr_t)&one, fflag, td));
+ }
default:
return (ENOIOCTL);
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