libceph: use local variable cursor instead of &msg->cursor

Use local variable cursor in place of &msg->cursor in
read_partial_msg_data() and write_partial_msg_data().

Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

1 files changed, 5 insertions, 6 deletions

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index b9b0e3b5da49..fce6ad636613 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -1552,8 +1552,8 @@ static int write_partial_message_data(struct ceph_connection *con)
                 bool need_crc;
                 int ret;
 
-                page = ceph_msg_data_next(&msg->cursor, &page_offset, &length,
-                                                        &last_piece);
+                page = ceph_msg_data_next(cursor, &page_offset, &length,
+                                          &last_piece);
                 ret = ceph_tcp_sendpage(con->sock, page, page_offset,
                                         length, !last_piece);
                 if (ret <= 0) {
@@ -1564,7 +1564,7 @@ static int write_partial_message_data(struct ceph_connection *con)
                 }
                 if (do_datacrc && cursor->need_crc)
                         crc = ceph_crc32c_page(crc, page, page_offset, length);
-                need_crc = ceph_msg_data_advance(&msg->cursor, (size_t)ret);
+                need_crc = ceph_msg_data_advance(cursor, (size_t)ret);
         }
 
         dout("%s %p msg %p done\n", __func__, con, msg);
@@ -2246,8 +2246,7 @@ static int read_partial_msg_data(struct ceph_connection *con)
         if (do_datacrc)
                 crc = con->in_data_crc;
         while (cursor->resid) {
-                page = ceph_msg_data_next(&msg->cursor, &page_offset, &length,
-                                                        NULL);
+                page = ceph_msg_data_next(cursor, &page_offset, &length, NULL);
                 ret = ceph_tcp_recvpage(con->sock, page, page_offset, length);
                 if (ret <= 0) {
                         if (do_datacrc)
@@ -2258,7 +2257,7 @@ static int read_partial_msg_data(struct ceph_connection *con)
 
                 if (do_datacrc)
                         crc = ceph_crc32c_page(crc, page, page_offset, ret);
-                (void) ceph_msg_data_advance(&msg->cursor, (size_t)ret);
+                (void) ceph_msg_data_advance(cursor, (size_t)ret);
         }
         if (do_datacrc)
                 con->in_data_crc = crc;