From: Jan Kara <jack@suse.cz>
Date: Mon, 4 Nov 2019 10:18:17 +0000 (+0100)
Subject: quota: Handle quotas without quota inodes in dquot_get_state()
X-Git-Tag: v5.15~5033^2~8^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a0828b6ccbdfd46afbbaa9f28df359081c29109b;p=platform%2Fkernel%2Flinux-starfive.git

quota: Handle quotas without quota inodes in dquot_get_state()

Make dquot_get_state() gracefully handle a situation when there are no
quota files present even though quotas are enabled.

Signed-off-by: Jan Kara <jack@suse.cz>
---

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 4c3da4e..a69a657 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2787,8 +2787,10 @@ int dquot_get_state(struct super_block *sb, struct qc_state *state)
 			tstate->flags |= QCI_LIMITS_ENFORCED;
 		tstate->spc_timelimit = mi->dqi_bgrace;
 		tstate->ino_timelimit = mi->dqi_igrace;
-		tstate->ino = dqopt->files[type]->i_ino;
-		tstate->blocks = dqopt->files[type]->i_blocks;
+		if (dqopt->files[type]) {
+			tstate->ino = dqopt->files[type]->i_ino;
+			tstate->blocks = dqopt->files[type]->i_blocks;
+		}
 		tstate->nextents = 1;	/* We don't know... */
 		spin_unlock(&dq_data_lock);
 	}