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Release the ADB keyboard mutex when handling the power button

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press/release.  Found by WITNESS.

Approved by:	nwhitehorn (mentor)
MFC after:	3 days
This commit is contained in:
Justin Hibbits 2012-06-23 13:52:44 +00:00
parent 0bfbe5f660
commit ff1b355c91
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=237480
1 changed files with 2 additions and 0 deletions
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2
sys/dev/adb/adb_kbd.c
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@ -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) {