md: changed the switch of RAID_VERSION to if

There is only one case of this 'switch'. Change it to 'if'.

Signed-off-by: Li Nan <linan122@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20240226031444.3606764-3-linan666@huaweicloud.com

diff --git a/drivers/md/md.c b/drivers/md/md.c
index eedb9e3..3c8a078 100644 (file)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7613,12 +7613,8 @@ static int md_ioctl(struct block_device *bdev, blk_mode_t mode,
         * Commands dealing with the RAID driver but not any
         * particular array:
         */
-       switch (cmd) {
-       case RAID_VERSION:
-               err = get_version(argp);
-               goto out;
-       default:;
-       }
+       if (cmd == RAID_VERSION)
+               return get_version(argp);
 
        /*
         * Commands creating/starting a new array: