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path: root/drivers/block/rbd.c
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Diffstat (limited to 'drivers/block/rbd.c')
-rw-r--r--drivers/block/rbd.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 93369a1a08e1..c259b4089e95 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1889,7 +1889,8 @@ static int rbd_obj_method_sync(struct rbd_device *rbd_dev,
ret = obj_request->result;
if (ret < 0)
goto out;
- ret = ceph_copy_from_page_vector(pages, inbound, 0,
+ ret = 0;
+ (void) ceph_copy_from_page_vector(pages, inbound, 0,
obj_request->xferred);
if (version)
*version = obj_request->version;
@@ -2088,7 +2089,9 @@ static int rbd_obj_read_sync(struct rbd_device *rbd_dev,
rbd_assert(obj_request->xferred <= (u64) SIZE_MAX);
size = (size_t) obj_request->xferred;
- ret = ceph_copy_from_page_vector(pages, buf, 0, size);
+ (void) ceph_copy_from_page_vector(pages, buf, 0, size);
+ rbd_assert(size <= (size_t) INT_MAX);
+ ret = (int) size;
if (version)
*version = obj_request->version;
out:
@@ -2141,7 +2144,6 @@ rbd_dev_v1_header_read(struct rbd_device *rbd_dev, u64 *version)
ret = rbd_obj_read_sync(rbd_dev, rbd_dev->header_name,
0, size,
(char *) ondisk, version);
-
if (ret < 0)
goto out_err;
if (WARN_ON((size_t) ret < size)) {
@@ -2803,7 +2805,6 @@ static int rbd_dev_v2_object_prefix(struct rbd_device *rbd_dev)
dout("%s: rbd_obj_method_sync returned %d\n", __func__, ret);
if (ret < 0)
goto out;
- ret = 0; /* rbd_obj_method_sync() can return positive */
p = reply_buf;
rbd_dev->header.object_prefix = ceph_extract_encoded_string(&p,
@@ -3742,7 +3743,6 @@ static int rbd_dev_image_id(struct rbd_device *rbd_dev)
dout("%s: rbd_obj_method_sync returned %d\n", __func__, ret);
if (ret < 0)
goto out;
- ret = 0; /* rbd_obj_method_sync() can return positive */
p = response;
rbd_dev->spec->image_id = ceph_extract_encoded_string(&p,