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-rw-r--r--drivers/block/loop.c8
-rw-r--r--drivers/block/mg_disk.c13
-rw-r--r--drivers/block/rbd.c4
3 files changed, 12 insertions, 13 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index bbca966f8f66..3bba65510d23 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1597,14 +1597,12 @@ static int loop_add(struct loop_device **l, int i)
struct gendisk *disk;
int err;
+ err = -ENOMEM;
lo = kzalloc(sizeof(*lo), GFP_KERNEL);
- if (!lo) {
- err = -ENOMEM;
+ if (!lo)
goto out;
- }
- err = idr_pre_get(&loop_index_idr, GFP_KERNEL);
- if (err < 0)
+ if (!idr_pre_get(&loop_index_idr, GFP_KERNEL))
goto out_free_dev;
if (i >= 0) {
diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c
index 76fa3deaee84..1788f491e0fb 100644
--- a/drivers/block/mg_disk.c
+++ b/drivers/block/mg_disk.c
@@ -780,9 +780,9 @@ static const struct block_device_operations mg_disk_ops = {
.getgeo = mg_getgeo
};
-static int mg_suspend(struct platform_device *plat_dev, pm_message_t state)
+static int mg_suspend(struct device *dev)
{
- struct mg_drv_data *prv_data = plat_dev->dev.platform_data;
+ struct mg_drv_data *prv_data = dev->platform_data;
struct mg_host *host = prv_data->host;
if (mg_wait(host, MG_STAT_READY, MG_TMAX_CONF_TO_CMD))
@@ -804,9 +804,9 @@ static int mg_suspend(struct platform_device *plat_dev, pm_message_t state)
return 0;
}
-static int mg_resume(struct platform_device *plat_dev)
+static int mg_resume(struct device *dev)
{
- struct mg_drv_data *prv_data = plat_dev->dev.platform_data;
+ struct mg_drv_data *prv_data = dev->platform_data;
struct mg_host *host = prv_data->host;
if (mg_wait(host, MG_STAT_READY, MG_TMAX_CONF_TO_CMD))
@@ -825,6 +825,8 @@ static int mg_resume(struct platform_device *plat_dev)
return 0;
}
+static SIMPLE_DEV_PM_OPS(mg_pm, mg_suspend, mg_resume);
+
static int mg_probe(struct platform_device *plat_dev)
{
struct mg_host *host;
@@ -1074,11 +1076,10 @@ static int mg_remove(struct platform_device *plat_dev)
static struct platform_driver mg_disk_driver = {
.probe = mg_probe,
.remove = mg_remove,
- .suspend = mg_suspend,
- .resume = mg_resume,
.driver = {
.name = MG_DEV_NAME,
.owner = THIS_MODULE,
+ .pm = &mg_pm,
}
};
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 65665c9c42c6..8f428a8ab003 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -499,7 +499,7 @@ static int rbd_header_from_disk(struct rbd_image_header *header,
/ sizeof (*ondisk))
return -EINVAL;
header->snapc = kmalloc(sizeof(struct ceph_snap_context) +
- snap_count * sizeof (*ondisk),
+ snap_count * sizeof(u64),
gfp_flags);
if (!header->snapc)
return -ENOMEM;
@@ -977,7 +977,7 @@ static void rbd_req_cb(struct ceph_osd_request *req, struct ceph_msg *msg)
op = (void *)(replyhead + 1);
rc = le32_to_cpu(replyhead->result);
bytes = le64_to_cpu(op->extent.length);
- read_op = (le32_to_cpu(op->op) == CEPH_OSD_OP_READ);
+ read_op = (le16_to_cpu(op->op) == CEPH_OSD_OP_READ);
dout("rbd_req_cb bytes=%lld readop=%d rc=%d\n", bytes, read_op, rc);