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-rw-r--r--net/ceph/messenger.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 30efc5c18622..dac7f9b98687 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -383,7 +383,7 @@ static void con_sock_state_closed(struct ceph_connection *con)
*/
/* data available on socket, or listen socket received a connect */
-static void ceph_sock_data_ready(struct sock *sk, int count_unused)
+static void ceph_sock_data_ready(struct sock *sk)
{
struct ceph_connection *con = sk->sk_user_data;
if (atomic_read(&con->msgr->stopping)) {
@@ -919,6 +919,9 @@ static bool ceph_msg_data_pages_advance(struct ceph_msg_data_cursor *cursor,
if (!bytes || cursor->page_offset)
return false; /* more bytes to process in the current page */
+ if (!cursor->resid)
+ return false; /* no more data */
+
/* Move on to the next page; offset is already at 0 */
BUG_ON(cursor->page_index >= cursor->page_count);
@@ -1004,6 +1007,9 @@ static bool ceph_msg_data_pagelist_advance(struct ceph_msg_data_cursor *cursor,
if (!bytes || cursor->offset & ~PAGE_MASK)
return false; /* more bytes to process in the current page */
+ if (!cursor->resid)
+ return false; /* no more data */
+
/* Move on to the next page */
BUG_ON(list_is_last(&cursor->page->lru, &pagelist->head));