From: Jan Blunck <jblunck@infradead.org>
Date: Wed, 24 Feb 2010 12:25:29 +0000 (+0100)
Subject: BKL: Remove BKL from ext3 fill_super()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d646cf82e9b6a58ba2d748e66e5fc7223830c68c;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git

BKL: Remove BKL from ext3 fill_super()

The BKL is protecting nothing than two memory allocations here.

Signed-off-by: Jan Blunck <jblunck@infradead.org>
Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 41f9dcd73e97..edde63fdb9a1 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1611,19 +1611,14 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 	__le32 features;
 	int err;
 
-	lock_kernel();
-
 	sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
-	if (!sbi) {
-		unlock_kernel();
+	if (!sbi)
 		return -ENOMEM;
-	}
 
 	sbi->s_blockgroup_lock =
 		kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL);
 	if (!sbi->s_blockgroup_lock) {
 		kfree(sbi);
-		unlock_kernel();
 		return -ENOMEM;
 	}
 	sb->s_fs_info = sbi;
@@ -1632,8 +1627,6 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 	sbi->s_resgid = EXT3_DEF_RESGID;
 	sbi->s_sb_block = sb_block;
 
-	unlock_kernel();
-
 	blocksize = sb_min_blocksize(sb, EXT3_MIN_BLOCK_SIZE);
 	if (!blocksize) {
 		ext3_msg(sb, KERN_ERR, "error: unable to set blocksize");
@@ -2030,8 +2023,6 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 		test_opt(sb,DATA_FLAGS) == EXT3_MOUNT_ORDERED_DATA ? "ordered":
 		"writeback");
 
-	lock_kernel();
-	unlock_kernel();
 	return 0;
 
 cantfind_ext3:
@@ -2061,8 +2052,6 @@ out_fail:
 	sb->s_fs_info = NULL;
 	kfree(sbi->s_blockgroup_lock);
 	kfree(sbi);
-	lock_kernel();
-	unlock_kernel();
 	return ret;
 }