[PATCH] fujitsu-laptop: remove unnecessary input_free_device calls

From: Axel Lin
Date: Thu Jul 01 2010 - 21:40:32 EST


input_free_device should only be used if input_register_device()
was not called yet or if it failed.
This patch removes unnecessary input_free_device calls.

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>
---
drivers/platform/x86/fujitsu-laptop.c | 21 ++++++++-------------
1 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index e325aeb..dab1a0e 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -686,8 +686,10 @@ static int acpi_fujitsu_add(struct acpi_device *device)
set_bit(KEY_UNKNOWN, input->keybit);

error = input_register_device(input);
- if (error)
- goto err_free_input_dev;
+ if (error) {
+ input_free_device(input);
+ goto err_stop;
+ }

result = acpi_bus_get_power(fujitsu->acpi_handle, &state);
if (result) {
@@ -725,8 +727,6 @@ static int acpi_fujitsu_add(struct acpi_device *device)

err_unregister_input_dev:
input_unregister_device(input);
-err_free_input_dev:
- input_free_device(input);
err_stop:
return result;
}
@@ -737,9 +737,6 @@ static int acpi_fujitsu_remove(struct acpi_device *device, int type)
struct input_dev *input = fujitsu->input;

input_unregister_device(input);
-
- input_free_device(input);
-
fujitsu->acpi_handle = NULL;

return 0;
@@ -855,8 +852,10 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
set_bit(KEY_UNKNOWN, input->keybit);

error = input_register_device(input);
- if (error)
- goto err_free_input_dev;
+ if (error) {
+ input_free_device(input);
+ goto err_free_fifo;
+ }

result = acpi_bus_get_power(fujitsu_hotkey->acpi_handle, &state);
if (result) {
@@ -930,8 +929,6 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)

err_unregister_input_dev:
input_unregister_device(input);
-err_free_input_dev:
- input_free_device(input);
err_free_fifo:
kfifo_free(&fujitsu_hotkey->fifo);
err_stop:
@@ -953,8 +950,6 @@ static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type)

input_unregister_device(input);

- input_free_device(input);
-
kfifo_free(&fujitsu_hotkey->fifo);

fujitsu_hotkey->acpi_handle = NULL;
--
1.5.4.3



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