login: check return value of digest_alloc
digest_alloc can fail, check the return value.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 40596b8 commit 3e361f37643bfaea1b1bc06ab9767b2755deec21
@Sascha Hauer Sascha Hauer authored on 27 Aug 2015
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common/password.c