lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 9 Mar 2017 13:11:41 +0100 From: Michał Kępień <kernel@...pniu.pl> To: Matthew Garrett <mjg59@...f.ucam.org>, Pali Rohár <pali.rohar@...il.com>, Darren Hart <dvhart@...radead.org>, Andy Shevchenko <andy@...radead.org> Cc: platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH 05/14] platform/x86: dell-wmi: remove sparse_keymap_free() calls As sparse_keymap_setup() now uses a managed memory allocation for the keymap copy it creates, the latter is freed automatically. Remove all calls to sparse_keymap_free(). As this reduces dell_wmi_input_destroy() to one line, replace all calls to that function with direct calls to input_unregister_device(). Signed-off-by: Michał Kępień <kernel@...pniu.pl> --- drivers/platform/x86/dell-wmi.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c index 75e637047d36..d921b26267e9 100644 --- a/drivers/platform/x86/dell-wmi.c +++ b/drivers/platform/x86/dell-wmi.c @@ -603,23 +603,15 @@ static int __init dell_wmi_input_setup(void) err = input_register_device(dell_wmi_input_dev); if (err) - goto err_free_keymap; + goto err_free_dev; return 0; - err_free_keymap: - sparse_keymap_free(dell_wmi_input_dev); err_free_dev: input_free_device(dell_wmi_input_dev); return err; } -static void dell_wmi_input_destroy(void) -{ - sparse_keymap_free(dell_wmi_input_dev); - input_unregister_device(dell_wmi_input_dev); -} - /* * Descriptor buffer is 128 byte long and contains: * @@ -740,7 +732,7 @@ static int __init dell_wmi_init(void) status = wmi_install_notify_handler(DELL_EVENT_GUID, dell_wmi_notify, NULL); if (ACPI_FAILURE(status)) { - dell_wmi_input_destroy(); + input_unregister_device(dell_wmi_input_dev); pr_err("Unable to register notify handler - %d\n", status); return -ENODEV; } @@ -752,7 +744,7 @@ static int __init dell_wmi_init(void) if (err) { pr_err("Failed to enable WMI events\n"); wmi_remove_notify_handler(DELL_EVENT_GUID); - dell_wmi_input_destroy(); + input_unregister_device(dell_wmi_input_dev); return err; } } @@ -766,6 +758,6 @@ static void __exit dell_wmi_exit(void) if (wmi_requires_smbios_request) dell_wmi_events_set_enabled(false); wmi_remove_notify_handler(DELL_EVENT_GUID); - dell_wmi_input_destroy(); + input_unregister_device(dell_wmi_input_dev); } module_exit(dell_wmi_exit); -- 2.12.0
Powered by blists - more mailing lists