md: get rid of unnecessary casts on page_address()
page_address() returns void pointer, so the casts can be removed.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/md.c b/drivers/md/md.c
index c7d9c6a..2a32050 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1025,7 +1025,7 @@
ret = -EINVAL;
bdevname(rdev->bdev, b);
- sb = (mdp_super_t*)page_address(rdev->sb_page);
+ sb = page_address(rdev->sb_page);
if (sb->md_magic != MD_SB_MAGIC) {
printk(KERN_ERR "md: invalid raid superblock magic on %s\n",
@@ -1064,7 +1064,7 @@
ret = 1;
} else {
__u64 ev1, ev2;
- mdp_super_t *refsb = (mdp_super_t*)page_address(refdev->sb_page);
+ mdp_super_t *refsb = page_address(refdev->sb_page);
if (!uuid_equal(refsb, sb)) {
printk(KERN_WARNING "md: %s has different UUID to %s\n",
b, bdevname(refdev->bdev,b2));
@@ -1099,7 +1099,7 @@
static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev)
{
mdp_disk_t *desc;
- mdp_super_t *sb = (mdp_super_t *)page_address(rdev->sb_page);
+ mdp_super_t *sb = page_address(rdev->sb_page);
__u64 ev1 = md_event(sb);
rdev->raid_disk = -1;
@@ -1230,7 +1230,7 @@
rdev->sb_size = MD_SB_BYTES;
- sb = (mdp_super_t*)page_address(rdev->sb_page);
+ sb = page_address(rdev->sb_page);
memset(sb, 0, sizeof(*sb));
@@ -1435,7 +1435,7 @@
if (ret) return ret;
- sb = (struct mdp_superblock_1*)page_address(rdev->sb_page);
+ sb = page_address(rdev->sb_page);
if (sb->magic != cpu_to_le32(MD_SB_MAGIC) ||
sb->major_version != cpu_to_le32(1) ||
@@ -1477,8 +1477,7 @@
ret = 1;
} else {
__u64 ev1, ev2;
- struct mdp_superblock_1 *refsb =
- (struct mdp_superblock_1*)page_address(refdev->sb_page);
+ struct mdp_superblock_1 *refsb = page_address(refdev->sb_page);
if (memcmp(sb->set_uuid, refsb->set_uuid, 16) != 0 ||
sb->level != refsb->level ||
@@ -1513,7 +1512,7 @@
static int super_1_validate(mddev_t *mddev, mdk_rdev_t *rdev)
{
- struct mdp_superblock_1 *sb = (struct mdp_superblock_1*)page_address(rdev->sb_page);
+ struct mdp_superblock_1 *sb = page_address(rdev->sb_page);
__u64 ev1 = le64_to_cpu(sb->events);
rdev->raid_disk = -1;
@@ -1619,7 +1618,7 @@
int max_dev, i;
/* make rdev->sb match mddev and rdev data. */
- sb = (struct mdp_superblock_1*)page_address(rdev->sb_page);
+ sb = page_address(rdev->sb_page);
sb->feature_map = 0;
sb->pad0 = 0;
@@ -1724,7 +1723,7 @@
num_sectors = max_sectors;
rdev->sb_start = sb_start;
}
- sb = (struct mdp_superblock_1 *) page_address(rdev->sb_page);
+ sb = page_address(rdev->sb_page);
sb->data_size = cpu_to_le64(num_sectors);
sb->super_offset = rdev->sb_start;
sb->sb_csum = calc_sb_1_csum(sb);
@@ -2127,10 +2126,10 @@
printk(KERN_INFO "md: rdev superblock (MJ:%d):\n", major_version);
switch (major_version) {
case 0:
- print_sb_90((mdp_super_t*)page_address(rdev->sb_page));
+ print_sb_90(page_address(rdev->sb_page));
break;
case 1:
- print_sb_1((struct mdp_superblock_1 *)page_address(rdev->sb_page));
+ print_sb_1(page_address(rdev->sb_page));
break;
}
} else