staging: unisys: visorbus: visorchipset.c: Adjust code layout

Adjusts the ordering of function statements, as well as modifies whitespace
usage, in order to create a more uniform coding style.

Signed-off-by: David Binder <david.binder@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: David Binder <david.binder@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c
index 7d37a002b3b53f70345be6832b6c92b74876eacd..1106eb5d8f5e061e2a376cd81cdd86c6d57a9dc6 100644 (file)
--- a/drivers/staging/unisys/visorbus/visorchipset.c
+++ b/drivers/staging/unisys/visorbus/visorchipset.c
@@ -124,7 +124,6 @@ static ssize_t toolaction_store(struct device *dev,
                                 offsetof(struct visor_controlvm_channel,
                                          tool_action),
                                 &tool_action, sizeof(u8));
-
        if (err)
                return err;
        return count;
@@ -143,7 +142,6 @@ static ssize_t boottotool_show(struct device *dev,
                                         efi_visor_ind),
                                &efi_visor_indication,
                                sizeof(struct efi_visor_indication));
-
        if (err)
                return err;
        return sprintf(buf, "%u\n", efi_visor_indication.boot_to_tool);
@@ -165,7 +163,6 @@ static ssize_t boottotool_store(struct device *dev,
                                          efi_visor_ind),
                                 &(efi_visor_indication),
                                 sizeof(struct efi_visor_indication));
-
        if (err)
                return err;
        return count;
@@ -302,11 +299,12 @@ parser_string_get(struct parser_context *ctx)
        int i;
 
        pscan = ctx->curr;
+       if (!pscan)
+               return NULL;
        nscan = ctx->bytes_remaining;
        if (nscan == 0)
                return NULL;
-       if (!pscan)
-               return NULL;
+
        for (i = 0, value_length = -1; i < nscan; i++)
                if (pscan[i] == '\0') {
                        value_length = i;
@@ -315,6 +313,7 @@ parser_string_get(struct parser_context *ctx)
        /* '\0' was not included in the length */
        if (value_length < 0)
                value_length = nscan;
+
        value = kmalloc(value_length + 1, GFP_KERNEL);
        if (!value)
                return NULL;
@@ -619,11 +618,11 @@ visorbus_create(struct controlvm_message *inmsg)
                                           cmd->create_bus.channel_bytes,
                                           GFP_KERNEL,
                                           cmd->create_bus.bus_data_type_uuid);
-
        if (!visorchannel) {
                err = -ENOMEM;
                goto err_free_pending_msg;
        }
+
        bus_info->visorchannel = visorchannel;
 
        /* Response will be handled by visorchipset_bus_create */
@@ -758,7 +757,6 @@ visorbus_device_create(struct controlvm_message *inmsg)
                err = -ENODEV;
                goto err_respond;
        }
-
        if (bus_info->state.created == 0) {
                dev_err(&chipset_dev->acpi_device->dev,
                        "bus not created, id: %d\n", bus_no);
@@ -792,7 +790,6 @@ visorbus_device_create(struct controlvm_message *inmsg)
                                             cmd->create_device.channel_bytes,
                                             GFP_KERNEL,
                                             cmd->create_device.data_type_uuid);
-
        if (!visorchannel) {
                dev_err(&chipset_dev->acpi_device->dev,
                        "failed to create visorchannel: %d/%d\n",
@@ -919,7 +916,6 @@ visorbus_device_destroy(struct controlvm_message *inmsg)
                err = -EINVAL;
                goto err_respond;
        }
-
        if (dev_info->pending_msg_hdr) {
                /* only non-NULL if dev is still waiting on a response */
                err = -EIO;
@@ -955,8 +951,7 @@ err_respond:
  * disable the specified device. The udev script then writes to
  * /sys/devices/platform/visorchipset/parahotplug, which causes the
  * parahotplug store functions to get called, at which point the
- * appropriate CONTROLVM message is retrieved from the list and responded
- * to.
+ * appropriate CONTROLVM message is retrieved from the list and responded to.
  */
 
 #define PARAHOTPLUG_TIMEOUT_MS 2000
@@ -1203,7 +1198,6 @@ parahotplug_process_message(struct controlvm_message *inmsg)
        int err;
 
        req = parahotplug_request_create(inmsg);
-
        if (!req)
                return -ENOMEM;
 
@@ -1297,10 +1291,9 @@ chipset_selftest_uevent(struct controlvm_message_header *msg_hdr)
 static int
 chipset_notready_uevent(struct controlvm_message_header *msg_hdr)
 {
-       int res;
-
-       res = kobject_uevent(&chipset_dev->acpi_device->dev.kobj,
+       int res = kobject_uevent(&chipset_dev->acpi_device->dev.kobj,
                             KOBJ_OFFLINE);
+
        if (msg_hdr->flags.response_expected)
                controlvm_respond(msg_hdr, res, NULL);
 
@@ -1323,7 +1316,6 @@ static int unisys_vmcall(unsigned long tuple, unsigned long param)
 
        __asm__ __volatile__(".byte 0x00f, 0x001, 0x0c1" : "=a"(result) :
                "a"(tuple), "b"(reg_ebx), "c"(reg_ecx));
-
        if (result)
                goto error;
 
@@ -1694,9 +1686,7 @@ handle_command(struct controlvm_message inmsg, u64 channel_addr)
 static int
 read_controlvm_event(struct controlvm_message *msg)
 {
-       int err;
-
-       err = visorchannel_signalremove(chipset_dev->controlvm_channel,
+       int err = visorchannel_signalremove(chipset_dev->controlvm_channel,
                                        CONTROLVM_QUEUE_EVENT, msg);
        if (err)
                return err;
@@ -1831,12 +1821,10 @@ visorchipset_init(struct acpi_device *acpi_device)
                goto error;
 
        acpi_device->driver_data = chipset_dev;
-
        chipset_dev->acpi_device = acpi_device;
        chipset_dev->poll_jiffies = POLLJIFFIES_CONTROLVMCHANNEL_FAST;
        controlvm_channel = visorchannel_create_with_lock(addr,
                                                          0, GFP_KERNEL, uuid);
-
        if (!controlvm_channel)
                goto error_free_chipset_dev;