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-rw-r--r--drivers/s390/block/dasd_eckd.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 62a323539226..30c2a80c004b 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1068,8 +1068,7 @@ static int dasd_eckd_read_conf(struct dasd_device *device)
path_data->opm |= lpm;
continue; /* no error */
}
- /* translate path mask to position in mask */
- pos = 8 - ffs(lpm);
+ pos = pathmask_to_pos(lpm);
kfree(private->path_conf_data[pos]);
if ((__u8 *)private->path_conf_data[pos] ==
private->conf_data) {
@@ -4671,7 +4670,7 @@ static struct dasd_conf_data *dasd_eckd_get_ref_conf(struct dasd_device *device,
return conf_data;
}
out:
- return private->path_conf_data[8 - ffs(lpum)];
+ return private->path_conf_data[pathmask_to_pos(lpum)];
}
/*
@@ -4716,7 +4715,7 @@ static int dasd_eckd_cuir_scope(struct dasd_device *device, __u8 lpum,
for (path = 0x80; path; path >>= 1) {
/* initialise data per path */
bitmask = mask;
- pos = 8 - ffs(path);
+ pos = pathmask_to_pos(path);
conf_data = private->path_conf_data[pos];
pos = 8 - ffs(cuir->ned_map);
ned = (char *) &conf_data->neds[pos];
@@ -4937,9 +4936,7 @@ static void dasd_eckd_handle_cuir(struct dasd_device *device, void *messages,
((u64 *)cuir)[0], ((u64 *)cuir)[1], ((u64 *)cuir)[2],
((u32 *)cuir)[3]);
ccw_device_get_schid(device->cdev, &sch_id);
- /* get position of path in mask */
- pos = 8 - ffs(lpum);
- /* get channel path descriptor from this position */
+ pos = pathmask_to_pos(lpum);
desc = ccw_device_get_chp_desc(device->cdev, pos);
if (cuir->code == CUIR_QUIESCE) {