forked from luck/tmp_suning_uos_patched
nfsd: fix wrong check in write_v4_end_grace()
Commit62a063b8e7
"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:62a063b8e7
"nfsd4: fix crash on writing v4_end_grace before nfsd startup" Cc: stable@vger.kernel.org Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com> Signed-off-by: Yihao Wu <wuyihao@linux.alibaba.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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@ -1126,7 +1126,7 @@ static ssize_t write_v4_end_grace(struct file *file, char *buf, size_t size)
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case 'Y':
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case 'y':
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case '1':
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if (nn->nfsd_serv)
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if (!nn->nfsd_serv)
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return -EBUSY;
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nfsd4_end_grace(nn);
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break;
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