staging: unisys: get rid of goto in create_bus_instance()

Remove the unnecessary rc and goto messiness, and just handle freeing
the memory before returning an error in the one place where that needs
to happen.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/unisys/visorbus/visorbus_main.c b/drivers/staging/unisys/visorbus/visorbus_main.c
index f81da4d2e657445f05c1af08f1d6b8d661e4e934..59cef7779a2d7b5ef18d8d7746c8bf955db09bdd 100644 (file)
--- a/drivers/staging/unisys/visorbus/visorbus_main.c
+++ b/drivers/staging/unisys/visorbus/visorbus_main.c
@@ -1197,17 +1197,14 @@ fix_vbus_dev_info(struct visor_device *visordev)
 static int
 create_bus_instance(struct visor_device *dev)
 {
-       int rc;
        int id = dev->chipset_bus_no;
        struct spar_vbus_headerinfo *hdr_info;
 
        POSTCODE_LINUX_2(BUS_CREATE_ENTRY_PC, POSTCODE_SEVERITY_INFO);
 
        hdr_info = kzalloc(sizeof(*hdr_info), GFP_KERNEL);
-       if (!hdr_info) {
-               rc = -1;
-               goto away;
-       }
+       if (!hdr_info)
+               return -ENOMEM;
 
        dev_set_name(&dev->device, "visorbus%d", id);
        dev->device.bus = &visorbus_type;
@@ -1217,8 +1214,8 @@ create_bus_instance(struct visor_device *dev)
        if (device_register(&dev->device) < 0) {
                POSTCODE_LINUX_3(DEVICE_CREATE_FAILURE_PC, id,
                                 POSTCODE_SEVERITY_ERR);
-               rc = -1;
-               goto away_mem;
+               kfree(hdr_info);
+               return -ENODEV;
        }
 
        if (get_vbus_header_info(dev->visorchannel, hdr_info) >= 0) {
@@ -1234,11 +1231,6 @@ create_bus_instance(struct visor_device *dev)
        list_add_tail(&dev->list_all, &list_all_bus_instances);
        dev_set_drvdata(&dev->device, dev);
        return 0;
-
-away_mem:
-       kfree(hdr_info);
-away:
-       return rc;
 }
 
 /** Remove a device instance for the visor bus itself.