PERFORCE change 110640 for review

[Warner Losh]

http://perforce.freebsd.org/chv.cgi?CH=110640

Change 110640 by imp at imp_lighthouse on 2006/11/28 22:52:39

	Gotta lock if we're going to sleep.

Affected files ...

.. //depot/projects/arm/src/sys/arm/at91/at91_ssc.c#18 edit

Differences ...

==== //depot/projects/arm/src/sys/arm/at91/at91_ssc.c#18 (text+ko) ====

@@ -377,6 +377,7 @@
 	int err, ret, len;
 
 	sc = CDEV2SOFTC(dev);
+	AT91_SSC_LOCK(sc);
 	// must read a multiple of 4 bytes
 	if ((uio->uio_resid & 0x3) != 0)
 		return (EINVAL);
@@ -408,6 +409,7 @@
 			sc->rd_end -= len;
 		}
 	}
+	AT91_SSC_UNLOCK(sc);
 	return (err);
 }