CIFS: Fix memory leak in cifs_do_mount

[pandora-kernel.git] / fs / super.c

diff --git a/fs/super.c b/fs/super.c
index e848649..c04f7e0 100644 (file)
--- a/fs/super.c
+++ b/fs/super.c
@@ -71,6 +71,7 @@ static struct super_block *alloc_super(struct file_system_type *type)
 #else
                INIT_LIST_HEAD(&s->s_files);
 #endif
+               s->s_bdi = &default_backing_dev_info;
                INIT_LIST_HEAD(&s->s_instances);
                INIT_HLIST_BL_HEAD(&s->s_anon);
                INIT_LIST_HEAD(&s->s_inodes);
@@ -936,6 +937,7 @@ mount_fs(struct file_system_type *type, int flags, const char *name, void *data)
        sb = root->d_sb;
        BUG_ON(!sb);
        WARN_ON(!sb->s_bdi);
+       WARN_ON(sb->s_bdi == &default_backing_dev_info);
        sb->s_flags |= MS_BORN;
 
        error = security_sb_kern_mount(sb, flags, secdata);
@@ -946,8 +948,7 @@ mount_fs(struct file_system_type *type, int flags, const char *name, void *data)
         * filesystems should never set s_maxbytes larger than MAX_LFS_FILESIZE
         * but s_maxbytes was an unsigned long long for many releases. Throw
         * this warning for a little while to try and catch filesystems that
-        * violate this rule. This warning should be either removed or
-        * converted to a BUG() in 2.6.34.
+        * violate this rule.
         */
        WARN((sb->s_maxbytes < 0), "%s set sb->s_maxbytes to "
                "negative value (%lld)\n", type->name, sb->s_maxbytes);