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| author | Jan Kara <jack@suse.cz> | 2016-03-29 17:44:11 +0200 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2016-03-29 17:44:11 +0200 |
| commit | 8f9e8f5fcc059a3cba87ce837c88316797ef3645 (patch) | |
| tree | 70c0a92b5227dd17aedb00bd4addc73ff61d7d96 /fs/ocfs2 | |
| parent | quota: Handle Q_GETNEXTQUOTA when quota is disabled (diff) | |
| download | linux-8f9e8f5fcc059a3cba87ce837c88316797ef3645.tar.xz linux-8f9e8f5fcc059a3cba87ce837c88316797ef3645.zip | |
ocfs2: Fix Q_GETNEXTQUOTA for filesystem without quotas
When Q_GETNEXTQUOTA was called for filesystem with quotas disabled
ocfs2_get_next_id() oopses. Fix the problem by checking early whether
the filesystem has quotas enabled.
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ocfs2')
| -rw-r--r-- | fs/ocfs2/quota_global.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index 3892f3c079ca..ab6a6cdcf91c 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -867,6 +867,10 @@ static int ocfs2_get_next_id(struct super_block *sb, struct kqid *qid) int status = 0; trace_ocfs2_get_next_id(from_kqid(&init_user_ns, *qid), type); + if (!sb_has_quota_loaded(sb, type)) { + status = -ESRCH; + goto out; + } status = ocfs2_lock_global_qf(info, 0); if (status < 0) goto out; @@ -878,8 +882,11 @@ static int ocfs2_get_next_id(struct super_block *sb, struct kqid *qid) out_global: ocfs2_unlock_global_qf(info, 0); out: - /* Avoid logging ENOENT since it just means there isn't next ID */ - if (status && status != -ENOENT) + /* + * Avoid logging ENOENT since it just means there isn't next ID and + * ESRCH which means quota isn't enabled for the filesystem. + */ + if (status && status != -ENOENT && status != -ESRCH) mlog_errno(status); return status; } |