Commit 620de4e1 authored by Duane Griffin's avatar Duane Griffin Committed by Theodore Ts'o

jbd2: only create debugfs and stats entries if init is successful

jbd2 debugfs and stats entries should only be created if cache initialisation
is successful.  At the moment they are being created unconditionally which
will leave them dangling if cache (and hence module) initialisation fails.
Signed-off-by: default avatarDuane Griffin <duaneg@dghda.com>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarMingming Cao <cmm@us.ibm.com>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent 5648ba5b
......@@ -2307,10 +2307,12 @@ static int __init journal_init(void)
BUILD_BUG_ON(sizeof(struct journal_superblock_s) != 1024);
ret = journal_init_caches();
if (ret != 0)
if (ret == 0) {
jbd2_create_debugfs_entry();
jbd2_create_jbd_stats_proc_entry();
} else {
jbd2_journal_destroy_caches();
jbd2_create_debugfs_entry();
jbd2_create_jbd_stats_proc_entry();
}
return ret;
}
......
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