commit a08d897bc04f23c608dadde5c31ef194911e78bb
author Steve French <stfrench@microsoft.com> Sat Oct 26 16:00:44 2019 -0500
committer Steve French <stfrench@microsoft.com> Sun Oct 27 14:36:11 2019 -0500
tree 535381dda06fa0db9b3be7ef265432efbcb974e2
parent d6d5df1db6e9d7f8f76d2911707f7d5877251b02

fix memory leak in large read decrypt offload

Spotted by Ronnie.

Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/cifs/smb2ops.c

diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 4c09225..cd55af9 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -4084,6 +4084,7 @@ static void smb2_decrypt_offload(struct work_struct *work)
 
 	kfree(dw->ppages);
 	cifs_small_buf_release(dw->buf);
+	kfree(dw);
 }
 
 
@@ -4157,7 +4158,7 @@ receive_encrypted_read(struct TCP_Server_Info *server, struct mid_q_entry **mid,
 		dw->server = server;
 		dw->ppages = pages;
 		dw->len = len;
-		queue_work(cifsiod_wq, &dw->decrypt);
+		queue_work(decrypt_wq, &dw->decrypt);
 		*num_mids = 0; /* worker thread takes care of finding mid */
 		return -1;
 	}