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Use the stack for temporary storage in OTIOCCONS.

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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
This commit is contained in:
Brooks Davis 2018-03-12 23:04:42 +00:00
parent 405b67a225
commit 467e627672
1 changed files with 5 additions and 3 deletions
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8
sys/kern/tty_compat.c
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@ -262,9 +262,11 @@ tty_ioctl_compat(struct tty *tp, u_long com, caddr_t data, int fflag,
fflag, td)); fflag, td));
} }
case OTIOCCONS: case OTIOCCONS: {
*(int *)data = 1; int one = 1;
return (tty_ioctl(tp, TIOCCONS, data, fflag, td));
return (tty_ioctl(tp, TIOCCONS, (caddr_t)&one, fflag, td));
}
default: default:
return (ENOIOCTL); return (ENOIOCTL);