dfu command: check return values
Check the return value of usb_dfu_register and bail out
with an error if it fails. Also return successfully if it succeeds
instead of returning 1 unconditionally.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 1a3315a commit 4435836ec2f4218a7d145a4902c597e4dcdda5ef
@Sascha Hauer Sascha Hauer authored on 13 Feb 2014
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commands/dfu.c