From 9767a2421ad0f125bda9a8a1bed0c76bece8125c Mon Sep 17 00:00:00 2001 From: Nicholas Bellinger Date: Thu, 24 Jan 2013 21:57:14 -0500 Subject: target: fix regression with dev_link_magic in target_fabric_port_link This is to fix a regression that only affect the stable (not for the mainline) that the stable commit fdf9d86 was incorrectly placed dev->dev_link_magic check before the *dev assignment in target_fabric_port_link() due to fuzzy automatically context adjustment during the back-porting. Reported-by: Chris Boot Signed-off-by: Nicholas Bellinger Signed-off-by: CAI Qian Signed-off-by: Greg Kroah-Hartman --- drivers/target/target_core_fabric_configfs.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c index b009b89d2fb4..817ba7c849e7 100644 --- a/drivers/target/target_core_fabric_configfs.c +++ b/drivers/target/target_core_fabric_configfs.c @@ -752,12 +752,6 @@ static int target_fabric_port_link( struct target_fabric_configfs *tf; int ret; - if (dev->dev_link_magic != SE_DEV_LINK_MAGIC) { - pr_err("Bad dev->dev_link_magic, not a valid se_dev_ci pointer:" - " %p to struct se_device: %p\n", se_dev_ci, dev); - return -EFAULT; - } - tpg_ci = &lun_ci->ci_parent->ci_group->cg_item; se_tpg = container_of(to_config_group(tpg_ci), struct se_portal_group, tpg_group); @@ -775,6 +769,11 @@ static int target_fabric_port_link( ret = -ENODEV; goto out; } + if (dev->dev_link_magic != SE_DEV_LINK_MAGIC) { + pr_err("Bad dev->dev_link_magic, not a valid se_dev_ci pointer:" + " %p to struct se_device: %p\n", se_dev_ci, dev); + return -EFAULT; + } lun_p = core_dev_add_lun(se_tpg, dev->se_hba, dev, lun->unpacked_lun); -- cgit v1.2.3