Avoid dereferencing the thread pointer in smb_iod_addrq() if it's NULL.
Fixes mdconfig -t vnode on smbfs: mdsetcred()'s "horrible kludge" calls into smbfs VOP_READ with a NULL uio_td.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=116339
@ -401,7 +401,8 @@ smb_iod_addrq(struct smb_rq *rqp)
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int error;
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SMBIODEBUG("\n");
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if (rqp->sr_cred->scr_td->td_proc == iod->iod_p) {
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if (rqp->sr_cred->scr_td != NULL &&
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rqp->sr_cred->scr_td->td_proc == iod->iod_p) {
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rqp->sr_flags |= SMBR_INTERNAL;
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SMB_IOD_RQLOCK(iod);
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TAILQ_INSERT_HEAD(&iod->iod_rqlist, rqp, sr_link);
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