diff options
| author | kevlo <kevlo@FreeBSD.org> | 2014-04-24 03:16:47 +0000 |
|---|---|---|
| committer | kevlo <kevlo@FreeBSD.org> | 2014-04-24 03:16:47 +0000 |
| commit | 1411f9e891de71a638db5dcc632989c4b28a5ca4 (patch) | |
| tree | 74b23e1548ee7f06de1cca14122a5c985c80da53 /sys/dev/usb/wlan | |
| parent | 0c70f2535bbda4a3a831616e33c53d369f369479 (diff) | |
| download | FreeBSD-src-1411f9e891de71a638db5dcc632989c4b28a5ca4.zip FreeBSD-src-1411f9e891de71a638db5dcc632989c4b28a5ca4.tar.gz | |
Fix panic by adding mtx_assert() to urtwn_init_locked() and
urtwn_stop_locked().
Tested by: Anthony Jenkins <scoobi_doo at yahoo dot com>
Diffstat (limited to 'sys/dev/usb/wlan')
| -rw-r--r-- | sys/dev/usb/wlan/if_urtwn.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/dev/usb/wlan/if_urtwn.c b/sys/dev/usb/wlan/if_urtwn.c index bde88b0..2a5bfe9 100644 --- a/sys/dev/usb/wlan/if_urtwn.c +++ b/sys/dev/usb/wlan/if_urtwn.c @@ -2054,6 +2054,7 @@ urtwn_load_firmware(struct urtwn_softc *sc) uint32_t reg; int mlen, ntries, page, error; + URTWN_UNLOCK(sc); /* Read firmware image from the filesystem. */ if ((sc->chip & (URTWN_CHIP_UMC_A_CUT | URTWN_CHIP_92C)) == URTWN_CHIP_UMC_A_CUT) @@ -2062,6 +2063,7 @@ urtwn_load_firmware(struct urtwn_softc *sc) imagename = "urtwn-rtl8192cfwT"; fw = firmware_get(imagename); + URTWN_LOCK(sc); if (fw == NULL) { device_printf(sc->sc_dev, "failed loadfirmware of file %s\n", imagename); @@ -2816,6 +2818,8 @@ urtwn_init_locked(void *arg) uint32_t reg; int error; + URTWN_ASSERT_LOCKED(sc); + if (ifp->if_drv_flags & IFF_DRV_RUNNING) urtwn_stop_locked(ifp); @@ -2979,6 +2983,8 @@ urtwn_stop_locked(struct ifnet *ifp) { struct urtwn_softc *sc = ifp->if_softc; + URTWN_ASSERT_LOCKED(sc); + ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); callout_stop(&sc->sc_watchdog_ch); |
