set pointer = NULL, after call journal_destroy_revoke_table.
in journal_destroy_revoke_table, it will call kfree to free the buffer.
Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
---
fs/jbd/revoke.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/fs/jbd/revoke.c b/fs/jbd/revoke.c
index 25c713e..d6457b0 100644
--- a/fs/jbd/revoke.c
+++ b/fs/jbd/revoke.c
@@ -295,6 +295,7 @@ int journal_init_revoke(journal_t *journal, int hash_size)
fail1:
journal_destroy_revoke_table(journal->j_revoke_table[0]);
+ journal->j_revoke_table[0] = NULL;
fail0:
return -ENOMEM;
}
@@ -303,10 +304,14 @@ fail0:
void journal_destroy_revoke(journal_t *journal)
{
journal->j_revoke = NULL;
- if (journal->j_revoke_table[0])
+ if (journal->j_revoke_table[0]) {
journal_destroy_revoke_table(journal->j_revoke_table[0]);
- if (journal->j_revoke_table[1])
+ journal->j_revoke_table[0] = NULL;
+ }
+ if (journal->j_revoke_table[1]) {
journal_destroy_revoke_table(journal->j_revoke_table[1]);
+ journal->j_revoke_table[1] = NULL;
+ }
}
--
1.7.10.4
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