diff options
Diffstat (limited to 'sys/dev/ppbus/ppb_1284.c')
| -rw-r--r-- | sys/dev/ppbus/ppb_1284.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/dev/ppbus/ppb_1284.c b/sys/dev/ppbus/ppb_1284.c index 28ee321..e909e8e 100644 --- a/sys/dev/ppbus/ppb_1284.c +++ b/sys/dev/ppbus/ppb_1284.c @@ -36,6 +36,8 @@ __FBSDID("$FreeBSD$"); #include "opt_ppb_1284.h" #include <sys/param.h> +#include <sys/lock.h> +#include <sys/mutex.h> #include <sys/systm.h> #include <sys/bus.h> @@ -92,8 +94,10 @@ ppb_1284_reset_error(device_t bus, int state) int ppb_1284_get_state(device_t bus) { + struct ppb_data *ppb = DEVTOSOFTC(bus); - return (DEVTOSOFTC(bus)->state); + mtx_assert(ppb->ppc_lock, MA_OWNED); + return (ppb->state); } /* @@ -108,6 +112,7 @@ ppb_1284_set_state(device_t bus, int state) /* call ppb_1284_reset_error() if you absolutly want to change * the state from PPB_ERROR to another */ + mtx_assert(ppb->ppc_lock, MA_OWNED); if ((ppb->state != PPB_ERROR) && (ppb->error == PPB_NO_ERROR)) { ppb->state = state; |
