dediprog: Fix crash if usb_open() fails
Corresponding to flashrom svn r1705.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
diff --git a/dediprog.c b/dediprog.c
index fb95d10..2640808 100644
--- a/dediprog.c
+++ b/dediprog.c
@@ -884,6 +884,10 @@
msg_pdbg("Found USB device (%04x:%04x).\n",
dev->descriptor.idVendor, dev->descriptor.idProduct);
dediprog_handle = usb_open(dev);
+ if (!dediprog_handle) {
+ msg_perr("Could not open USB device: %s\n", usb_strerror());
+ return 1;
+ }
ret = usb_set_configuration(dediprog_handle, 1);
if (ret < 0) {
msg_perr("Could not set USB device configuration: %i %s\n",