linux-kernel - [PATCH 10/14] platform/x86: msi-wmi: remove sparse_keymap

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu,  9 Mar 2017 13:11:46 +0100
From:   Michał Kępień <kernel@...pniu.pl>
To:     Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>
Cc:     platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 10/14] platform/x86: msi-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().

Signed-off-by: Michał Kępień <kernel@...pniu.pl>
---
 drivers/platform/x86/msi-wmi.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c
index 9a32f8627ecc..f6209b739ec0 100644
--- a/drivers/platform/x86/msi-wmi.c
+++ b/drivers/platform/x86/msi-wmi.c
@@ -281,14 +281,12 @@ static int __init msi_wmi_input_setup(void)
 	err = input_register_device(msi_wmi_input_dev);
 
 	if (err)
-		goto err_free_keymap;
+		goto err_free_dev;
 
 	last_pressed = 0;
 
 	return 0;
 
-err_free_keymap:
-	sparse_keymap_free(msi_wmi_input_dev);
 err_free_dev:
 	input_free_device(msi_wmi_input_dev);
 	return err;
@@ -342,10 +340,8 @@ static int __init msi_wmi_init(void)
 	if (event_wmi)
 		wmi_remove_notify_handler(event_wmi->guid);
 err_free_input:
-	if (event_wmi) {
-		sparse_keymap_free(msi_wmi_input_dev);
+	if (event_wmi)
 		input_unregister_device(msi_wmi_input_dev);
-	}
 	return err;
 }
 
@@ -353,7 +349,6 @@ static void __exit msi_wmi_exit(void)
 {
 	if (event_wmi) {
 		wmi_remove_notify_handler(event_wmi->guid);
-		sparse_keymap_free(msi_wmi_input_dev);
 		input_unregister_device(msi_wmi_input_dev);
 	}
 	backlight_device_unregister(backlight);
-- 
2.12.0