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authorAndreas Herrmann <aherrman@de.ibm.com>2005-08-27 11:07:54 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-08-27 11:22:36 -0700
commit3859f6a248cbdfbe7b41663f3a2b51f48e30b281 (patch)
treea0f09490a7295bab3d299efdae5bd29c55c58c3a /drivers/s390/scsi/zfcp_ccw.c
parent729d70f5dfd663b44bca68a4479c96bde7e535d6 (diff)
downloadop-kernel-dev-3859f6a248cbdfbe7b41663f3a2b51f48e30b281.zip
op-kernel-dev-3859f6a248cbdfbe7b41663f3a2b51f48e30b281.tar.gz
[PATCH] zfcp: add rports to enable scsi_add_device to work again
This patch fixes a severe problem with 2.6.13-rc7. Due to recent SCSI changes it is not possible to add any LUNs to the zfcp device driver anymore. With registration of remote ports this is fixed. Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com> Acked-by: James Bottomley <jejb@steeleye.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/s390/scsi/zfcp_ccw.c')
-rw-r--r--drivers/s390/scsi/zfcp_ccw.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c
index 0fc4638..3c65aed 100644
--- a/drivers/s390/scsi/zfcp_ccw.c
+++ b/drivers/s390/scsi/zfcp_ccw.c
@@ -202,9 +202,19 @@ static int
zfcp_ccw_set_offline(struct ccw_device *ccw_device)
{
struct zfcp_adapter *adapter;
+ struct zfcp_port *port;
+ struct fc_port *rport;
down(&zfcp_data.config_sema);
adapter = dev_get_drvdata(&ccw_device->dev);
+ /* might be racy, but we cannot take config_lock due to the fact that
+ fc_remote_port_delete might sleep */
+ list_for_each_entry(port, &adapter->port_list_head, list)
+ if (port->rport) {
+ rport = port->rport;
+ port->rport = NULL;
+ fc_remote_port_delete(rport);
+ }
zfcp_erp_adapter_shutdown(adapter, 0);
zfcp_erp_wait(adapter);
zfcp_adapter_scsi_unregister(adapter);
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