korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-19 02:04:19 +08:00
Code Issues Packages Projects Releases Wiki Activity

scsi: zfcp: fix missing zfcp_port reference put on -EBUSY from port_remove

Browse Source 
With this early return due to zfcp_unit child(ren), we don't use the
zfcp_port reference from the earlier zfcp_get_port_by_wwpn() anymore and
need to put it.

Signed-off-by: Steffen Maier <maier@linux.ibm.com>
Fixes: d99b601b63 ("[SCSI] zfcp: restore refcount check on port_remove")
Cc: <stable@vger.kernel.org> #3.7+
Reviewed-by: Jens Remus <jremus@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Steffen Maier 2019-05-23 15:23:45 +02:00 committed by Martin K. Petersen
parent cc55575911
commit d27e5e07f9
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/s390/scsi/zfcp_sysfs.c
View File

@ -261,6 +261,7 @@ static ssize_t zfcp_sysfs_port_remove_store(struct device *dev,
if (atomic_read(&port->units) > 0) {
retval = -EBUSY;
mutex_unlock(&zfcp_sysfs_port_units_mutex);
put_device(&port->dev); /* undo zfcp_get_port_by_wwpn() */
goto out;
}
/* port is about to be removed, so no more unit_add */