svn commit: r216431 - head/lib/libusb

[Kevin Lo]

Author: kevlo
Date: Tue Dec 14 15:11:49 2010
New Revision: 216431
URL: http://svn.freebsd.org/changeset/base/216431

Log:
  Check the return value of malloc().
  
  Reviewed by:	hselasky
  MFC after:	3 days

Modified:
  head/lib/libusb/libusb20_compat01.c

Modified: head/lib/libusb/libusb20_compat01.c
==============================================================================
--- head/lib/libusb/libusb20_compat01.c	Tue Dec 14 13:45:57 2010	(r216430)
+++ head/lib/libusb/libusb20_compat01.c	Tue Dec 14 15:11:49 2010	(r216431)
@@ -457,6 +457,11 @@ usb_parse_configuration(struct usb_confi
 
 	/* allocate memory for our configuration */
 	ptr = malloc(a + b + c + d);
+	if (ptr == NULL) {
+		/* free config structure */
+		free(ps.a.currcfg);
+		return (-1);
+	}
 
 	/* "currifcw" must be first, hence this pointer is freed */
 	ps.b.currifcw = (void *)(ptr);