cifs: fix NULL dereference in match_prepath

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[ Upstream commit fe12926863 ]

RHBZ: 1760879

Fix an oops in match_prepath() by making sure that the prepath string is not
NULL before we pass it into strcmp().

This is similar to other checks we make for example in cifs_root_iget()

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Ronnie Sahlberg 2020-01-22 11:07:56 +10:00 • committed by Greg Kroah-Hartman

parent a1977f2d8b

commit b3f6d5d65e

1 changed files with 4 additions and 2 deletions

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fs/cifs/connect.c

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