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| author | David S. Miller <davem@davemloft.net> | 2016-04-10 00:41:41 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-04-10 00:41:41 +0300 |
| commit | ae95d7126104591348d37aaf78c8325967e02386 (patch) | |
| tree | 3270712f030549d77d4c55246d056e02b9def29d /fs/quota/dquot.c | |
| parent | 03c5b534185f9844c1b5fcfdbae2adc32821ec42 (diff) | |
| parent | 183c948a3cb3efbf45eabed41fa7ee04c19378fc (diff) | |
| download | linux-ae95d7126104591348d37aaf78c8325967e02386.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'fs/quota/dquot.c')
| -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; } |