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| author | Axel Lin <axel.lin@gmail.com> | 2010-06-30 17:25:46 +0800 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2010-08-03 09:48:53 -0400 |
| commit | 32ab72e7ca7aed399b81a3ffec26d7353bd33581 (patch) | |
| tree | 4501e686520ee8fc710d1151b29aad68669d5342 /drivers/platform/x86/dell-wmi.c | |
| parent | d53bf0f32410c8c738935aa3d9740d66d39ba967 (diff) | |
| download | blackbird-op-linux-32ab72e7ca7aed399b81a3ffec26d7353bd33581.tar.gz blackbird-op-linux-32ab72e7ca7aed399b81a3ffec26d7353bd33581.zip | |
dell-wmi: fix a memory leak
If dell_new_hk_type is true, dell_legacy_wmi_keymap will point to a memory
allocated in setup_new_hk_map().
In this case, the memory is not freed in current implementation.
This patch fixes the leak by kfree(dell_wmi_keymap) if dell_new_hk_type is true.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform/x86/dell-wmi.c')
| -rw-r--r-- | drivers/platform/x86/dell-wmi.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c index 12a8e6fa1d56..08fb70f6d9bf 100644 --- a/drivers/platform/x86/dell-wmi.c +++ b/drivers/platform/x86/dell-wmi.c @@ -339,13 +339,18 @@ static int __init dell_wmi_init(void) acpi_video = acpi_video_backlight_support(); err = dell_wmi_input_setup(); - if (err) + if (err) { + if (dell_new_hk_type) + kfree(dell_wmi_keymap); return err; + } status = wmi_install_notify_handler(DELL_EVENT_GUID, dell_wmi_notify, NULL); if (ACPI_FAILURE(status)) { input_unregister_device(dell_wmi_input_dev); + if (dell_new_hk_type) + kfree(dell_wmi_keymap); printk(KERN_ERR "dell-wmi: Unable to register notify handler - %d\n", status); @@ -359,6 +364,8 @@ static void __exit dell_wmi_exit(void) { wmi_remove_notify_handler(DELL_EVENT_GUID); input_unregister_device(dell_wmi_input_dev); + if (dell_new_hk_type) + kfree(dell_wmi_keymap); } module_init(dell_wmi_init); |
