When there is no more data, ceph_msg_data_pagelist_advance() should not move on to the next page.
Signed-off-by: Yan, Zheng <[email protected]> --- net/ceph/messenger.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 30efc5c..8859f2e 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -1004,6 +1004,9 @@ 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)); -- 1.8.5.3 -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
