hfs: convert bitmap_lock in a mutex

[karo-tx-linux.git] / fs / hfs / super.c

diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index 16cbd902f8b9569a6874710832d7ab1316010063..ac2ec5ef66e4a244461b2c8dd3f027626f943ae6 100644 (file)
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -6,7 +6,7 @@
  * This file may be distributed under the terms of the GNU General Public License.
  *
  * This file contains hfs_read_super(), some of the super_ops and
- * init_module() and cleanup_module(). The remaining super_ops are in
+ * init_hfs_fs() and exit_hfs_fs().  The remaining super_ops are in
  * inode.c since they deal with inodes.
  *
  * Based on the minix file system code, (C) 1991, 1992 by Linus Torvalds
@@ -297,7 +297,8 @@ static int parse_options(char *options, struct hfs_sb_info *hsb)
                                return 0;
                        }
                        p = match_strdup(&args[0]);
-                       hsb->nls_disk = load_nls(p);
+                       if (p)
+                               hsb->nls_disk = load_nls(p);
                        if (!hsb->nls_disk) {
                                printk(KERN_ERR "hfs: unable to load codepage \"%s\"\n", p);
                                kfree(p);
@@ -311,7 +312,8 @@ static int parse_options(char *options, struct hfs_sb_info *hsb)
                                return 0;
                        }
                        p = match_strdup(&args[0]);
-                       hsb->nls_io = load_nls(p);
+                       if (p)
+                               hsb->nls_io = load_nls(p);
                        if (!hsb->nls_io) {
                                printk(KERN_ERR "hfs: unable to load iocharset \"%s\"\n", p);
                                kfree(p);
@@ -370,7 +372,7 @@ static int hfs_fill_super(struct super_block *sb, void *data, int silent)
 
        sb->s_op = &hfs_super_operations;
        sb->s_flags |= MS_NODIRATIME;
-       init_MUTEX(&sbi->bitmap_lock);
+       mutex_init(&sbi->bitmap_lock);
 
        res = hfs_mdb_get(sb);
        if (res) {