diff mbox

cifs: Do not modify mid entry after submitting I/O in cifs_call_async

Message ID 1498672202-30452-1-git-send-email-longli@exchange.microsoft.com (mailing list archive)
State New, archived
Headers show

Commit Message

Long Li June 28, 2017, 5:50 p.m. UTC 
From: Long Li <longli@microsoft.com>

In cifs_call_async, server response may return as soon as I/O is submitted.
Do not touch it after that.

Signed-off-by: Long Li <longli@microsoft.com>
---
 fs/cifs/transport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 47a125e..ba62aaf 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -537,10 +537,10 @@  cifs_call_async(struct TCP_Server_Info *server, struct smb_rqst *rqst,
 	spin_unlock(&GlobalMid_Lock);
 
 
+	cifs_save_when_sent(mid);
 	cifs_in_send_inc(server);
 	rc = smb_send_rqst(server, rqst, flags);
 	cifs_in_send_dec(server);
-	cifs_save_when_sent(mid);
 
 	if (rc < 0) {
 		server->sequence_number -= 2;