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ext2: remove useless call to brelse() in ext2_free_inode() 

This patch removes a useless call to brelse(bitmap_bh) since at that
point bitmap_bh is NULL and slightly cleans up bitmap_bh handling.

Signed-off-by: Francis Moreau <francis.moro@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Francis Moreau 2010-04-08 11:35:17 +02:00 committed by Jan Kara
parent eabf290d14
commit 524e4a1d10
1 changed files with 4 additions and 5 deletions
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9
fs/ext2/ialloc.c
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@ -106,7 +106,7 @@ void ext2_free_inode (struct inode * inode)
struct super_block * sb = inode->i_sb;
int is_directory;
unsigned long ino;
struct buffer_head *bitmap_bh = NULL;
struct buffer_head *bitmap_bh;
unsigned long block_group;
unsigned long bit;
struct ext2_super_block * es;
@ -135,14 +135,13 @@ void ext2_free_inode (struct inode * inode)
ino > le32_to_cpu(es->s_inodes_count)) {
ext2_error (sb, "ext2_free_inode",
"reserved or nonexistent inode %lu", ino);
goto error_return;
return;
}
block_group = (ino - 1) / EXT2_INODES_PER_GROUP(sb);
bit = (ino - 1) % EXT2_INODES_PER_GROUP(sb);
brelse(bitmap_bh);
bitmap_bh = read_inode_bitmap(sb, block_group);
if (!bitmap_bh)
goto error_return;
return;
/* Ok, now we can actually update the inode bitmaps.. */
if (!ext2_clear_bit_atomic(sb_bgl_lock(EXT2_SB(sb), block_group),
@ -154,7 +153,7 @@ void ext2_free_inode (struct inode * inode)
mark_buffer_dirty(bitmap_bh);
if (sb->s_flags & MS_SYNCHRONOUS)
sync_dirty_buffer(bitmap_bh);
error_return:
brelse(bitmap_bh);
}