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path: root/drivers/hv/vmbus_drv.c
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Diffstat (limited to 'drivers/hv/vmbus_drv.c')
-rw-r--r--drivers/hv/vmbus_drv.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 7ae04ccb1043..12a2b37e87f3 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -33,6 +33,7 @@
#include <linux/random.h>
#include <linux/kernel.h>
#include <linux/syscore_ops.h>
+#include <linux/dma-map-ops.h>
#include <clocksource/hyperv_timer.h>
#include "hyperv_vmbus.h"
@@ -2027,8 +2028,10 @@ int vmbus_add_channel_kobj(struct hv_device *dev, struct vmbus_channel *channel)
kobj->kset = dev->channels_kset;
ret = kobject_init_and_add(kobj, &vmbus_chan_ktype, NULL,
"%u", relid);
- if (ret)
+ if (ret) {
+ kobject_put(kobj);
return ret;
+ }
ret = sysfs_create_group(kobj, &vmbus_chan_group);
@@ -2037,6 +2040,7 @@ int vmbus_add_channel_kobj(struct hv_device *dev, struct vmbus_channel *channel)
* The calling functions' error handling paths will cleanup the
* empty channel directory.
*/
+ kobject_put(kobj);
dev_err(device, "Unable to set up channel sysfs files\n");
return ret;
}
@@ -2118,6 +2122,9 @@ int vmbus_device_register(struct hv_device *child_device_obj)
}
hv_debug_add_dev_dir(child_device_obj);
+ child_device_obj->device.dma_parms = &child_device_obj->dma_parms;
+ child_device_obj->device.dma_mask = &child_device_obj->dma_mask;
+ dma_set_mask(&child_device_obj->device, DMA_BIT_MASK(64));
return 0;
err_kset_unregister: