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ocfs2: Initialize data_ac (might be used uninitialized) 

CLANG found that there is a path that has data_ac uninitialized,
this place
	2917	/* This gets us the dx_root */
	2918	ret = ocfs2_reserve_new_metadata_blocks(osb, 1, &meta_ac);
	2919	if (ret) {

	3
		Taking true branch
	2920	mlog_errno(ret);
	2921	goto out;

	4
		Control jumps to line 3168
	2922	}

Goes to the out: label without data_ac being initialized.

Ciao, Marcus

Signed-Off-By: Marcus Meissner <meissner@suse.de>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
This commit is contained in:
Marcus Meissner 2011-05-05 10:44:11 -07:00 committed by Joel Becker
parent 446cc6345d
commit 5d44670fac
1 changed files with 1 additions and 1 deletions
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2
fs/ocfs2/dir.c
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@ -2868,7 +2868,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,
bytes = blocks_wanted << sb->s_blocksize_bits;
struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
struct ocfs2_inode_info *oi = OCFS2_I(dir);
struct ocfs2_alloc_context *data_ac;
struct ocfs2_alloc_context *data_ac = NULL;
struct ocfs2_alloc_context *meta_ac = NULL;
struct buffer_head *dirdata_bh = NULL;
struct buffer_head *dx_root_bh = NULL;