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Commit 03cddb80 authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Theodore Ts'o
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ext4: Fix use of uninitialized data with debug enabled. 



Fix use of uninitialized data with debug enabled.

Signed-off-by: default avatarAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: default avatarMingming Cao <cmm@us.ibm.com>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent 53c8ba95

fs/ext4/mballoc.c

+4 −4
Original line number Diff line number Diff line
@@ -2745,8 +2745,6 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac, 
	sbi = EXT4_SB(sb);

	es = sbi->s_es;



	ext4_debug("using block group %lu(%d)\n", ac->ac_b_ex.fe_group,

			gdp->bg_free_blocks_count);



	err = -EIO;

	bitmap_bh = read_block_bitmap(sb, ac->ac_b_ex.fe_group);
@@ -2762,6 +2760,9 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac, 
	if (!gdp)

		goto out_err;



	ext4_debug("using block group %lu(%d)\n", ac->ac_b_ex.fe_group,

			gdp->bg_free_blocks_count);



	err = ext4_journal_get_write_access(handle, gdp_bh);

	if (err)

		goto out_err;
@@ -3094,8 +3095,7 @@ static void ext4_mb_use_inode_pa(struct ext4_allocation_context *ac, 
static void ext4_mb_use_group_pa(struct ext4_allocation_context *ac,

				struct ext4_prealloc_space *pa)

{

	unsigned len = ac->ac_o_ex.fe_len;



	unsigned int len = ac->ac_o_ex.fe_len;

	ext4_get_group_no_and_offset(ac->ac_sb, pa->pa_pstart,

					&ac->ac_b_ex.fe_group,

					&ac->ac_b_ex.fe_start);