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scsi: qla4xxx: fix a potential NULL pointer dereference
authorKangjie Lu <kjlu@umn.edu>
Thu, 14 Mar 2019 06:30:59 +0000 (01:30 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 16 May 2019 17:44:58 +0000 (19:44 +0200)
commit783552a9865c667d492386994b6eb42d2ec365db
tree60174e3bda35107e66d8b46afe377f4fb570cb9c
parentf18c946e6cf1cf69519e5c524429128b789519ae
scsi: qla4xxx: fix a potential NULL pointer dereference

[ Upstream commit fba1bdd2a9a93f3e2181ec1936a3c2f6b37e7ed6 ]

In case iscsi_lookup_endpoint fails, the fix returns -EINVAL to avoid NULL
pointer dereference.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Acked-by: Manish Rangankar <mrangankar@marvell.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.org>
drivers/scsi/qla4xxx/ql4_os.c