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-rw-r--r--fs/cifs/connect.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 47d8ff62368..257b6d895e2 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -337,8 +337,12 @@ cifs_echo_request(struct work_struct *work)
struct TCP_Server_Info *server = container_of(work,
struct TCP_Server_Info, echo.work);
- /* no need to ping if we got a response recently */
- if (time_before(jiffies, server->lstrp + SMB_ECHO_INTERVAL - HZ))
+ /*
+ * We cannot send an echo until the NEGOTIATE_PROTOCOL request is done.
+ * Also, no need to ping if we got a response recently
+ */
+ if (server->tcpStatus != CifsGood ||
+ time_before(jiffies, server->lstrp + SMB_ECHO_INTERVAL - HZ))
goto requeue_echo;
rc = CIFSSMBEcho(server);
@@ -578,12 +582,12 @@ incomplete_rcv:
else if (reconnect == 1)
continue;
- length += 4; /* account for rfc1002 hdr */
+ total_read += 4; /* account for rfc1002 hdr */
-
- dump_smb(smb_buffer, length);
- if (checkSMB(smb_buffer, smb_buffer->Mid, total_read+4)) {
- cifs_dump_mem("Bad SMB: ", smb_buffer, 48);
+ dump_smb(smb_buffer, total_read);
+ if (checkSMB(smb_buffer, smb_buffer->Mid, total_read)) {
+ cifs_dump_mem("Bad SMB: ", smb_buffer,
+ total_read < 48 ? total_read : 48);
continue;
}
@@ -633,11 +637,11 @@ incomplete_rcv:
mid_entry->largeBuf = isLargeBuf;
multi_t2_fnd:
mid_entry->midState = MID_RESPONSE_RECEIVED;
- list_del_init(&mid_entry->qhead);
- mid_entry->callback(mid_entry);
#ifdef CONFIG_CIFS_STATS2
mid_entry->when_received = jiffies;
#endif
+ list_del_init(&mid_entry->qhead);
+ mid_entry->callback(mid_entry);
break;
}
mid_entry = NULL;