UBI: remove BKL

We do not need BKL in UBI because we serialize things
properly.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 03c759b..b30a0b8 100644 (file)
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -104,12 +104,9 @@ static int vol_cdev_open(struct inode *inode, struct file *file)
        struct ubi_volume_desc *desc;
        int vol_id = iminor(inode) - 1, mode, ubi_num;
 
-       lock_kernel();
        ubi_num = ubi_major2num(imajor(inode));
-       if (ubi_num < 0) {
-               unlock_kernel();
+       if (ubi_num < 0)
                return ubi_num;
-       }
 
        if (file->f_mode & FMODE_WRITE)
                mode = UBI_READWRITE;
@@ -119,7 +116,6 @@ static int vol_cdev_open(struct inode *inode, struct file *file)
        dbg_gen("open volume %d, mode %d", vol_id, mode);
 
        desc = ubi_open_volume(ubi_num, vol_id, mode);
-       unlock_kernel();
        if (IS_ERR(desc))
                return PTR_ERR(desc);