debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/fs/cifs/transport.c
..
..
@@ -312,7 +312,7 @@
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312
 __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
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 		struct smb_rqst *rqst)
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 {
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-	int rc = 0;
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+	int rc;
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 	struct kvec *iov;
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 	int n_vec;
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 	unsigned int send_length = 0;
..
..
@@ -323,6 +323,7 @@
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 	struct msghdr smb_msg = {};
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 	__be32 rfc1002_marker;
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326
+	cifs_in_send_inc(server);
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 	if (cifs_rdma_enabled(server)) {
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 		/* return -EAGAIN when connecting or reconnecting */
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 		rc = -EAGAIN;
..
..
@@ -331,14 +332,17 @@
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 		goto smbd_done;
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 	}
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+	rc = -EAGAIN;
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 	if (ssocket == NULL)
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-		return -EAGAIN;
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+		goto out;
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338
 
339
+	rc = -ERESTARTSYS;
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 	if (fatal_signal_pending(current)) {
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 		cifs_dbg(FYI, "signal pending before send request\n");
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-		return -ERESTARTSYS;
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+		goto out;
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 	}
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+	rc = 0;
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 	/* cork the socket */
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 	tcp_sock_set_cork(ssocket->sk, true);
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348
 
..
..
@@ -449,7 +453,8 @@
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 			 rc);
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 	else if (rc > 0)
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 		rc = 0;
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-
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+out:
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+	cifs_in_send_dec(server);
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 	return rc;
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 }
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460
 
..
..
@@ -826,9 +831,7 @@
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 	 * I/O response may come back and free the mid entry on another thread.
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 	 */
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 	cifs_save_when_sent(mid);
829
-	cifs_in_send_inc(server);
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834
 	rc = smb_send_rqst(server, 1, rqst, flags);
831
-	cifs_in_send_dec(server);
832
835
 
833
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 	if (rc < 0) {
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 		revert_current_mid(server, mid->credits);
..
..
@@ -1117,9 +1120,7 @@
1117
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 		else
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 			midQ[i]->callback = cifs_compound_last_callback;
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 	}
1120
-	cifs_in_send_inc(server);
1121
1123
 	rc = smb_send_rqst(server, num_rqst, rqst, flags);
1122
-	cifs_in_send_dec(server);
1123
1124
 
1124
1125
 	for (i = 0; i < num_rqst; i++)
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1126
 		cifs_save_when_sent(midQ[i]);
..
..
@@ -1356,9 +1357,7 @@
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1357
 
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 	midQ->mid_state = MID_REQUEST_SUBMITTED;
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1359
 
1359
-	cifs_in_send_inc(server);
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 	rc = smb_send(server, in_buf, len);
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-	cifs_in_send_dec(server);
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 	cifs_save_when_sent(midQ);
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1362
 
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 	if (rc < 0)
..
..
@@ -1495,9 +1494,7 @@
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 	}
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 	midQ->mid_state = MID_REQUEST_SUBMITTED;
1498
-	cifs_in_send_inc(server);
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 	rc = smb_send(server, in_buf, len);
1500
-	cifs_in_send_dec(server);
1501
1498
 	cifs_save_when_sent(midQ);
1502
1499
 
1503
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 	if (rc < 0)