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path: root/fs/jfs/super.c
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Diffstat (limited to 'fs/jfs/super.c')
-rw-r--r--fs/jfs/super.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index ec8c3e4baca..eb31f677347 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -438,14 +438,20 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
s64 newLVSize = 0;
int flag, ret = -EINVAL;
+ lock_kernel();
+
jfs_info("In jfs_read_super: s_flags=0x%lx", sb->s_flags);
- if (!new_valid_dev(sb->s_bdev->bd_dev))
+ if (!new_valid_dev(sb->s_bdev->bd_dev)) {
+ unlock_kernel();
return -EOVERFLOW;
+ }
sbi = kzalloc(sizeof (struct jfs_sb_info), GFP_KERNEL);
- if (!sbi)
+ if (!sbi) {
+ unlock_kernel();
return -ENOMEM;
+ }
sb->s_fs_info = sbi;
sbi->sb = sb;
sbi->uid = sbi->gid = sbi->umask = -1;
@@ -542,6 +548,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_maxbytes = min(((u64) PAGE_CACHE_SIZE << 32) - 1, (u64)sb->s_maxbytes);
#endif
sb->s_time_gran = 1;
+ unlock_kernel();
return 0;
out_no_root:
@@ -564,6 +571,7 @@ out_unload:
unload_nls(sbi->nls_tab);
out_kfree:
kfree(sbi);
+ unlock_kernel();
return ret;
}