From: Jeremy Kerr <jk@ozlabs.org>
Date: Thu, 5 Apr 2007 03:59:29 +0000 (+1000)
Subject: Don't crash when ID_BUS isn't in the env.
X-Git-Tag: v0.0.1~17
X-Git-Url: https://git.ozlabs.org/?p=petitboot;a=commitdiff_plain;h=6ce15c4265d3813ee311756ec03c6e4da74c1dbd;hp=c26b2a1d05865bc92e795797e5d0535edd2aca77

Don't crash when ID_BUS isn't in the env.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---

diff --git a/devices/udev-helper.c b/devices/udev-helper.c
index 1db8a26..6a9a42b 100644
--- a/devices/udev-helper.c
+++ b/devices/udev-helper.c
@@ -372,6 +372,8 @@ enum generic_icon_type guess_device_type(void)
 	const char *bus = getenv("ID_BUS");
 	if (type && streq(type, "cd"))
 		return ICON_TYPE_OPTICAL;
+	if (!bus)
+		return ICON_TYPE_UNKNOWN;
 	if (streq(bus, "usb"))
 		return ICON_TYPE_USB;
 	if (streq(bus, "ata") || streq(bus, "scsi"))