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| author | jhibbits <jhibbits@FreeBSD.org> | 2012-06-23 13:52:44 +0000 |
|---|---|---|
| committer | jhibbits <jhibbits@FreeBSD.org> | 2012-06-23 13:52:44 +0000 |
| commit | d61b5a4dc1917b15e9a151ef75432f44aa697344 (patch) | |
| tree | 32717fd2197573546e414f34a07429051cf57791 /sys/dev/adb/adb_kbd.c | |
| parent | da6a8fd01ace73ef3f5c3ae53e4da912dae23434 (diff) | |
| download | FreeBSD-src-d61b5a4dc1917b15e9a151ef75432f44aa697344.zip FreeBSD-src-d61b5a4dc1917b15e9a151ef75432f44aa697344.tar.gz | |
Release the ADB keyboard mutex when handling the power button
press/release. Found by WITNESS.
Approved by: nwhitehorn (mentor)
MFC after: 3 days
Diffstat (limited to 'sys/dev/adb/adb_kbd.c')
| -rw-r--r-- | sys/dev/adb/adb_kbd.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/adb/adb_kbd.c b/sys/dev/adb/adb_kbd.c index e69c4db..75899c9 100644 --- a/sys/dev/adb/adb_kbd.c +++ b/sys/dev/adb/adb_kbd.c @@ -426,8 +426,10 @@ adb_kbd_receive_packet(device_t dev, u_char status, /* 0x7f is always the power button */ if (data[0] == 0x7f && devctl_process_running()) { devctl_notify("PMU", "Button", "pressed", NULL); + mtx_unlock(&sc->sc_mutex); return (0); } else if (data[0] == 0xff) { + mtx_unlock(&sc->sc_mutex); return (0); /* Ignore power button release. */ } if ((data[0] & 0x7f) == 57 && sc->buffers < 7) { |
