libdt: fix segfault
strdup will segfault, if udev_device_get_devnode does not find the part.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 136ce91 commit 18dba42c0683457a5e251e88cc44a4480c573ce5
@Steffen Trumtrar Steffen Trumtrar authored on 26 Feb 2014
Sascha Hauer committed on 27 Feb 2014
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src/libdt.c