PERFORCE change 105732 for review

[Warner Losh]

http://perforce.freebsd.org/chv.cgi?CH=105732

Change 105732 by imp at imp_lighthouse on 2006/09/06 19:39:43

	Check malloc for success/failure.

Affected files ...

.. //depot/projects/arm/src/sys/dev/iicbus/iic.c#5 edit

Differences ...

==== //depot/projects/arm/src/sys/dev/iicbus/iic.c#5 (text+ko) ====

@@ -282,6 +282,10 @@
 			break;
 		}
 		buf = malloc((unsigned long)s->count, M_TEMP, M_WAITOK);
+		if (buf == NULL) {
+			error = ENOMEM;
+			break;
+		}
 		error = copyin(s->buf, buf, s->count);
 		if (error)
 			break;
@@ -294,6 +298,10 @@
 			break;
 		}
 		buf = malloc((unsigned long)s->count, M_TEMP, M_WAITOK);
+		if (buf == NULL) {
+			error = ENOMEM;
+			break;
+		}
 		error = iicbus_read(parent, buf, s->count, &count, s->last, 10);
 		if (error)
 			break;
@@ -302,7 +310,15 @@
 
 	case I2CRDWR:
 		buf = malloc(sizeof(*d->msgs) * d->nmsgs, M_TEMP, M_WAITOK);
+		if (buf == NULL) {
+			error = ENOMEM;
+			break;
+		}
 		usrbufs = malloc(sizeof(void *) * d->nmsgs, M_TEMP, M_ZERO | M_WAITOK);
+		if (usrbufs == NULL) {
+			error = ENOMEM;
+			break;
+		}
 		error = copyin(d->msgs, buf, sizeof(*d->msgs) * d->nmsgs);
 		if (error)
 			break;