From: Joel Stanley <joel@jms.id.au>
Date: Tue, 6 Mar 2018 04:02:20 +0000 (+1030)
Subject: discover: pxe: Avoid dereferencing null pointer
X-Git-Tag: v1.7.1~1
X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=commitdiff_plain;h=47d0601affe80d7f98a2053749f5e1d479f902f4;hp=47d0601affe80d7f98a2053749f5e1d479f902f4

discover: pxe: Avoid dereferencing null pointer

When result is null, we may end up in the error handling path where we
try to dereference null to call cleanup_local. This adds a check for
result.

Found with scan-build.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Cyril Bur <cyrilbur@gmail.com>
Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
	[Fixed up commit message typo]
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