drm/vc4: Drop planes that have 0 destination size

[platform/kernel/linux-rpi.git] / drivers / md / dm-raid1.c

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index bc417a5..ddcb2bc 100644 (file)
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -604,7 +604,7 @@ static void do_reads(struct mirror_set *ms, struct bio_list *reads)
 static void write_callback(unsigned long error, void *context)
 {
        unsigned int i;
-       struct bio *bio = (struct bio *) context;
+       struct bio *bio = context;
        struct mirror_set *ms;
        int should_wake = 0;
        unsigned long flags;
@@ -1180,7 +1180,7 @@ err_free_context:
 
 static void mirror_dtr(struct dm_target *ti)
 {
-       struct mirror_set *ms = (struct mirror_set *) ti->private;
+       struct mirror_set *ms = ti->private;
 
        del_timer_sync(&ms->timer);
        flush_workqueue(ms->kmirrord_wq);
@@ -1246,7 +1246,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio,
                blk_status_t *error)
 {
        int rw = bio_data_dir(bio);
-       struct mirror_set *ms = (struct mirror_set *) ti->private;
+       struct mirror_set *ms = ti->private;
        struct mirror *m = NULL;
        struct dm_bio_details *bd = NULL;
        struct dm_raid1_bio_record *bio_record =
@@ -1311,7 +1311,7 @@ out:
 
 static void mirror_presuspend(struct dm_target *ti)
 {
-       struct mirror_set *ms = (struct mirror_set *) ti->private;
+       struct mirror_set *ms = ti->private;
        struct dm_dirty_log *log = dm_rh_dirty_log(ms->rh);
 
        struct bio_list holds;
@@ -1407,7 +1407,7 @@ static void mirror_status(struct dm_target *ti, status_type_t type,
 {
        unsigned int m, sz = 0;
        int num_feature_args = 0;
-       struct mirror_set *ms = (struct mirror_set *) ti->private;
+       struct mirror_set *ms = ti->private;
        struct dm_dirty_log *log = dm_rh_dirty_log(ms->rh);
        char buffer[MAX_NR_MIRRORS + 1];
 
@@ -1498,23 +1498,21 @@ static struct target_type mirror_target = {
 
 static int __init dm_mirror_init(void)
 {
-       int r = -ENOMEM;
+       int r;
 
        dm_raid1_wq = alloc_workqueue("dm_raid1_wq", 0, 0);
-       if (!dm_raid1_wq)
-               goto bad_target;
+       if (!dm_raid1_wq) {
+               DMERR("Failed to alloc workqueue");
+               return -ENOMEM;
+       }
 
        r = dm_register_target(&mirror_target);
        if (r < 0) {
                destroy_workqueue(dm_raid1_wq);
-               goto bad_target;
+               return r;
        }
 
        return 0;
-
-bad_target:
-       DMERR("Failed to register mirror target");
-       return r;
 }
 
 static void __exit dm_mirror_exit(void)