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ihidev(4): Prohibit closing an unopened ihidev.

This commit is contained in:
riastradh 2022-01-14 22:28:59 +00:00
parent 0aca25b218
commit 3b602431c5
1 changed files with 6 additions and 6 deletions
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12
sys/dev/i2c/ihidev.c
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@ -1,4 +1,4 @@
/* $NetBSD: ihidev.c,v 1.25 2022/01/14 22:28:50 riastradh Exp $ */ /* $NetBSD: ihidev.c,v 1.26 2022/01/14 22:28:59 riastradh Exp $ */
/* $OpenBSD ihidev.c,v 1.13 2017/04/08 02:57:23 deraadt Exp $ */ /* $OpenBSD ihidev.c,v 1.13 2017/04/08 02:57:23 deraadt Exp $ */
/*- /*-
@ -54,7 +54,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ihidev.c,v 1.25 2022/01/14 22:28:50 riastradh Exp $"); __KERNEL_RCSID(0, "$NetBSD: ihidev.c,v 1.26 2022/01/14 22:28:59 riastradh Exp $");
#include <sys/param.h> #include <sys/param.h>
#include <sys/systm.h> #include <sys/systm.h>
@ -919,10 +919,10 @@ ihidev_close(struct ihidev *scd)
mutex_enter(&sc->sc_lock); mutex_enter(&sc->sc_lock);
/* XXX make this an assertion */ KASSERTMSG(scd->sc_state & IHIDEV_OPEN,
if (!(scd->sc_state & IHIDEV_OPEN)) "%s: closing %s when not open",
goto out; device_xname(scd->sc_idev),
device_xname(sc->sc_dev));
scd->sc_state &= ~IHIDEV_OPEN; scd->sc_state &= ~IHIDEV_OPEN;
if (--sc->sc_refcnt) if (--sc->sc_refcnt)