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(parent: 88213ab) | patch
cifs: fix NULL dereference in match_prepath
authorRonnie Sahlberg <lsahlber@redhat.com>
Wed, 22 Jan 2020 01:07:56 +0000 (11:07 +1000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 28 Feb 2020 14:42:39 +0000 (15:42 +0100)
commit5b327446f6cd35f4738ce41ef9f15ef95c404273
treeed2d4b7c5dfd69bf67280516e73e43a89525dbcctree | snapshot
parent88213ab3d0c9ba59233a6c8afa07ca5e662cebfacommit | diff
cifs: fix NULL dereference in match_prepath

[ Upstream commit fe1292686333d1dadaf84091f585ee903b9ddb84 ]

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>
fs/cifs/connect.c diff | blob | history
Domain: System / Kernel;