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-rw-r--r--net/ceph/messenger.c4
-rw-r--r--net/ceph/osd_client.c14
2 files changed, 6 insertions, 12 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index cec39cb623f0..fc59fcc9be77 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -2690,13 +2690,13 @@ void ceph_con_keepalive(struct ceph_connection *con)
EXPORT_SYMBOL(ceph_con_keepalive);
void ceph_msg_data_set_pages(struct ceph_msg *msg, struct page **pages,
- unsigned int page_count, size_t alignment)
+ size_t length, size_t alignment)
{
/* BUG_ON(msg->pages); */
/* BUG_ON(msg->page_count); */
msg->pages = pages;
- msg->page_count = page_count;
+ msg->page_count = calc_pages_for((u64)alignment, (u64)length);
msg->page_alignment = alignment & ~PAGE_MASK;
}
EXPORT_SYMBOL(ceph_msg_data_set_pages);
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index a09d57134075..f29bedac7310 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -1758,12 +1758,9 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc,
osd_data = &req->r_data_out;
if (osd_data->type == CEPH_OSD_DATA_TYPE_PAGES) {
- unsigned int page_count;
-
- page_count = calc_pages_for((u64)osd_data->alignment,
- (u64)osd_data->length);
+ BUG_ON(osd_data->length > (u64) SIZE_MAX);
ceph_msg_data_set_pages(req->r_request, osd_data->pages,
- page_count, osd_data->alignment);
+ osd_data->length, osd_data->alignment);
#ifdef CONFIG_BLOCK
} else if (osd_data->type == CEPH_OSD_DATA_TYPE_BIO) {
req->r_request->bio = osd_data->bio;
@@ -2119,8 +2116,6 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
struct ceph_osd_data *osd_data = &req->r_data_in;
if (osd_data->type == CEPH_OSD_DATA_TYPE_PAGES) {
- unsigned int page_count;
-
if (osd_data->pages &&
unlikely(osd_data->length < data_len)) {
@@ -2132,10 +2127,9 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
m = NULL;
goto out;
}
- page_count = calc_pages_for((u64)osd_data->alignment,
- (u64)osd_data->length);
+ BUG_ON(osd_data->length > (u64) SIZE_MAX);
ceph_msg_data_set_pages(m, osd_data->pages,
- osd_data->num_pages, osd_data->alignment);
+ osd_data->length, osd_data->alignment);
#ifdef CONFIG_BLOCK
} else if (osd_data->type == CEPH_OSD_DATA_TYPE_BIO) {
m->bio = osd_data->bio;