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Two small smb3 client fixes

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Merge tag '6.10-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fixes from Steve French:
 "Two small smb3 client fixes:

   - fix deadlock in umount

   - minor cleanup due to netfs change"

* tag '6.10-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: Don't advance the I/O iterator before terminating subrequest
  smb: client: fix deadlock in smb2_find_smb_tcon()
This commit is contained in:
Linus Torvalds 2024-06-08 19:07:18 -07:00
commit c5dbc2ed00
2 changed files with 1 additions and 4 deletions
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3
fs/smb/client/smb2pdu.c
View File

@ -4577,8 +4577,6 @@ smb2_readv_callback(struct mid_q_entry *mid)
if (rdata->subreq.start < rdata->subreq.rreq->i_size)
rdata->result = 0;
}
if (rdata->result == 0 || rdata->result == -EAGAIN)
iov_iter_advance(&rdata->subreq.io_iter, rdata->got_bytes);
rdata->credits.value = 0;
netfs_subreq_terminated(&rdata->subreq,
(rdata->result == 0 || rdata->result == -EAGAIN) ?
@ -4789,7 +4787,6 @@ smb2_writev_callback(struct mid_q_entry *mid)
wdata->result = -ENOSPC;
else
wdata->subreq.len = written;
iov_iter_advance(&wdata->subreq.io_iter, written);
break;
case MID_REQUEST_SUBMITTED:
case MID_RETRY_NEEDED:

2
fs/smb/client/smb2transport.c
View File

@ -216,8 +216,8 @@ smb2_find_smb_tcon(struct TCP_Server_Info *server, __u64 ses_id, __u32 tid)
}
tcon = smb2_find_smb_sess_tcon_unlocked(ses, tid);
if (!tcon) {
cifs_put_smb_ses(ses);
spin_unlock(&cifs_tcp_ses_lock);
cifs_put_smb_ses(ses);
return NULL;
}
spin_unlock(&cifs_tcp_ses_lock);