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| author | David S. Miller <davem@davemloft.net> | 2018-10-07 00:43:42 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-10-07 00:43:42 +0300 |
| commit | 72438f8cef4e75a22140853baa4c68392c721b22 (patch) | |
| tree | 78b7b6dafd827e0d55150a227db3978d91c0b6dd /fs/cifs/connect.c | |
| parent | fb4ee67529ff3e4c5874768477887c2df5714c96 (diff) | |
| parent | c1d84a1b42ef70d8ae601df9cadedc7ed4f1beb1 (diff) | |
| download | linux-72438f8cef4e75a22140853baa4c68392c721b22.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'fs/cifs/connect.c')
| -rw-r--r-- | fs/cifs/connect.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 7aa08dba4719..52d71b64c0c6 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -659,7 +659,15 @@ dequeue_mid(struct mid_q_entry *mid, bool malformed) mid->mid_state = MID_RESPONSE_RECEIVED; else mid->mid_state = MID_RESPONSE_MALFORMED; - list_del_init(&mid->qhead); + /* + * Trying to handle/dequeue a mid after the send_recv() + * function has finished processing it is a bug. + */ + if (mid->mid_flags & MID_DELETED) + printk_once(KERN_WARNING + "trying to dequeue a deleted mid\n"); + else + list_del_init(&mid->qhead); spin_unlock(&GlobalMid_Lock); } @@ -938,8 +946,7 @@ next_pdu: } else { mids[0] = server->ops->find_mid(server, buf); bufs[0] = buf; - if (mids[0]) - num_mids = 1; + num_mids = 1; if (!mids[0] || !mids[0]->receive) length = standard_receive3(server, mids[0]); |