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path: root/drivers/s390/scsi/zfcp_cfdc.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_cfdc.c')
-rw-r--r--drivers/s390/scsi/zfcp_cfdc.c20
1 files changed, 6 insertions, 14 deletions
diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c
index ec2abceca6dc..10cbfd172a28 100644
--- a/drivers/s390/scsi/zfcp_cfdc.c
+++ b/drivers/s390/scsi/zfcp_cfdc.c
@@ -7,6 +7,9 @@
* Copyright IBM Corporation 2008
*/
+#define KMSG_COMPONENT "zfcp"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/types.h>
#include <linux/miscdevice.h>
#include <asm/ccwdev.h>
@@ -82,20 +85,9 @@ static int zfcp_cfdc_copy_to_user(void __user *user_buffer,
static struct zfcp_adapter *zfcp_cfdc_get_adapter(u32 devno)
{
- struct zfcp_adapter *adapter = NULL, *cur_adapter;
- struct ccw_dev_id dev_id;
-
- read_lock_irq(&zfcp_data.config_lock);
- list_for_each_entry(cur_adapter, &zfcp_data.adapter_list_head, list) {
- ccw_device_get_id(cur_adapter->ccw_device, &dev_id);
- if (dev_id.devno == devno) {
- adapter = cur_adapter;
- zfcp_adapter_get(adapter);
- break;
- }
- }
- read_unlock_irq(&zfcp_data.config_lock);
- return adapter;
+ char busid[9];
+ snprintf(busid, sizeof(busid), "0.0.%04x", devno);
+ return zfcp_get_adapter_by_busid(busid);
}
static int zfcp_cfdc_set_fsf(struct zfcp_fsf_cfdc *fsf_cfdc, int command)