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ext4: do not reference pa_inode from group_pa

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pa_inode in group_pa is set NULL in ext4_mb_new_group_pa, so
pa_inode should be not referenced.

Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Yongqiang Yang
2011-12-18 15:49:54 -05:00
committed by Theodore Ts'o
parent 384703b8e6
commit 60e07cf515
2 changed files with 4 additions and 4 deletions
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6
include/trace/events/ext4.h
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@@ -573,9 +573,9 @@ TRACE_EVENT(ext4_mb_release_inode_pa,
);
TRACE_EVENT(ext4_mb_release_group_pa,
TP_PROTO(struct ext4_prealloc_space *pa),
TP_PROTO(struct super_block *sb, struct ext4_prealloc_space *pa),
TP_ARGS(pa),
TP_ARGS(sb, pa),
TP_STRUCT__entry(
__field( dev_t, dev )
@@ -585,7 +585,7 @@ TRACE_EVENT(ext4_mb_release_group_pa,
),
TP_fast_assign(
__entry->dev = pa->pa_inode->i_sb->s_dev;
__entry->dev = sb->s_dev;
__entry->pa_pstart = pa->pa_pstart;
__entry->pa_len = pa->pa_len;
),