Commit dd838821 authored by Yihao Wu's avatar Yihao Wu Committed by J. Bruce Fields

nfsd: fix wrong check in write_v4_end_grace()

Commit 62a063b8 "nfsd4: fix crash on writing v4_end_grace before
nfsd startup" is trying to fix a NULL dereference issue, but it
mistakenly checks if the nfsd server is started. So fix it.

Fixes: 62a063b8 "nfsd4: fix crash on writing v4_end_grace before nfsd startup"
Cc: stable@vger.kernel.org
Reviewed-by: default avatarJoseph Qi <joseph.qi@linux.alibaba.com>
Signed-off-by: default avatarYihao Wu <wuyihao@linux.alibaba.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent b602345d
......@@ -1126,7 +1126,7 @@ static ssize_t write_v4_end_grace(struct file *file, char *buf, size_t size)
case 'Y':
case 'y':
case '1':
if (nn->nfsd_serv)
if (!nn->nfsd_serv)
return -EBUSY;
nfsd4_end_grace(nn);
break;
......
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