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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-11 00:00:29 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-11 00:00:29 -0400 |
| commit | e4d35be584be88a3db3fa5635a97c62a2ec5aafe (patch) | |
| tree | fc22a7fb65697306edd71411959ccee6df60c64d /fs/quota | |
| parent | 99d825822eade8d827a1817357cbf3f889a552d6 (diff) | |
| parent | 38b78a5f18584db6fa7441e0f4531b283b0e6725 (diff) | |
| download | linux-e4d35be584be88a3db3fa5635a97c62a2ec5aafe.tar.bz2 | |
Merge branch 'ovl-fixes' into for-linus
Diffstat (limited to 'fs/quota')
| -rw-r--r-- | fs/quota/dquot.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index ba827daea5a0..ff21980d0119 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -2047,11 +2047,20 @@ int dquot_get_next_id(struct super_block *sb, struct kqid *qid) struct quota_info *dqopt = sb_dqopt(sb); int err; - if (!dqopt->ops[qid->type]->get_next_id) - return -ENOSYS; + mutex_lock(&dqopt->dqonoff_mutex); + if (!sb_has_quota_active(sb, qid->type)) { + err = -ESRCH; + goto out; + } + if (!dqopt->ops[qid->type]->get_next_id) { + err = -ENOSYS; + goto out; + } mutex_lock(&dqopt->dqio_mutex); err = dqopt->ops[qid->type]->get_next_id(sb, qid); mutex_unlock(&dqopt->dqio_mutex); +out: + mutex_unlock(&dqopt->dqonoff_mutex); return err; } |