diff options
| author | Julian Wiedmann <jwi@linux.ibm.com> | 2020-07-03 15:20:02 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-07-08 00:50:55 -0400 |
| commit | 6bcb7c171a0ce0b0114aa088404e552b49d85576 (patch) | |
| tree | 0e9e08493e45f6104c3d3d0b842c6814d23d4b67 /drivers/s390/scsi | |
| parent | b43cdb5ac856d9e004d31494c2c41fa36f67c00d (diff) | |
| download | linux-6bcb7c171a0ce0b0114aa088404e552b49d85576.tar.bz2 | |
scsi: zfcp: Replace open-coded list move
Instead of manually moving each element of the unit and port lists into our
temporary on-stack lists, splice them over in one go.
Link: https://lore.kernel.org/r/cacb179f49ece50fd4dce119c61252d632cdc1d4.1593780621.git.bblock@linux.ibm.com
Reviewed-by: Steffen Maier <maier@linux.ibm.com>
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/s390/scsi')
| -rw-r--r-- | drivers/s390/scsi/zfcp_ccw.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index 49eda141ea43..d9fd0a41da64 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -124,13 +124,12 @@ static void zfcp_ccw_remove(struct ccw_device *cdev) return; write_lock_irq(&adapter->port_list_lock); - list_for_each_entry_safe(port, p, &adapter->port_list, list) { + list_for_each_entry(port, &adapter->port_list, list) { write_lock(&port->unit_list_lock); - list_for_each_entry_safe(unit, u, &port->unit_list, list) - list_move(&unit->list, &unit_remove_lh); + list_splice_init(&port->unit_list, &unit_remove_lh); write_unlock(&port->unit_list_lock); - list_move(&port->list, &port_remove_lh); } + list_splice_init(&adapter->port_list, &port_remove_lh); write_unlock_irq(&adapter->port_list_lock); zfcp_ccw_adapter_put(adapter); /* put from zfcp_ccw_adapter_by_cdev */ |