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authorHaiyang Zhang <haiyangz@microsoft.com>2009-10-23 18:14:24 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2009-10-30 14:47:43 -0700
commit1bb40a25b26ef7e2c4fb79ce430de2b9f836527f (patch)
tree4ab5f85e99400a2e1ca17f247d05db0a23d4819a /drivers
parent9bd0591be06a6a8e2f63c1dba4a64704c9d2002f (diff)
Staging: hv: Fix null pointer error after vmbus loading
Fix null pointer error after vmbus loading. Remove code that checks for dev_name, the affected structure is kzalloc-ed prior to this routine, so it is always null at this stage. Signed-off-by: Hank Janssen <hjanssen@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/staging/hv/vmbus_drv.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
index 582318f10222..270fb7f64d75 100644
--- a/drivers/staging/hv/vmbus_drv.c
+++ b/drivers/staging/hv/vmbus_drv.c
@@ -537,18 +537,7 @@ static int vmbus_child_device_register(struct hv_device *root_device_obj,
DPRINT_DBG(VMBUS_DRV, "child device (%p) registering",
child_device_ctx);
- /* Make sure we are not registered already */
- if (strlen(dev_name(&child_device_ctx->device)) != 0) {
- DPRINT_ERR(VMBUS_DRV,
- "child device (%p) already registered - busid %s",
- child_device_ctx,
- dev_name(&child_device_ctx->device));
-
- ret = -1;
- goto Cleanup;
- }
-
- /* Set the device bus id. Otherwise, device_register()will fail. */
+ /* Set the device name. Otherwise, device_register() will fail. */
dev_set_name(&child_device_ctx->device, "vmbus_0_%d",
atomic_inc_return(&device_num));
@@ -573,7 +562,6 @@ static int vmbus_child_device_register(struct hv_device *root_device_obj,
DPRINT_INFO(VMBUS_DRV, "child device (%p) registered",
&child_device_ctx->device);
-Cleanup:
DPRINT_EXIT(VMBUS_DRV);
return ret;