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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-11 23:47:09 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-11 23:47:09 +0400 |
| commit | 145628130b9b364fe246e96ba52386d97af40d64 (patch) | |
| tree | 383727a336c9165474c37c98d8cdb038123e0c64 /drivers/platform/x86/dell-laptop.c | |
| parent | 83e95697143d341f3c670c4c5cda0268ae198e63 (diff) | |
| parent | 0401846c339fbdfb9bd822d83b43e8a9f7d072a4 (diff) | |
| download | linux-145628130b9b364fe246e96ba52386d97af40d64.tar.xz | |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86:
hp-wmi: fix use after free
dell-laptop - using buffer without mutex_lock
Revert: "dell-laptop: Toggle the unsupported hardware killswitch"
platform-drivers-x86: set backlight type to BACKLIGHT_PLATFORM
thinkpad-acpi: handle HKEY 0x4010, 0x4011 events
drivers/platform/x86: Fix memory leak
thinkpad-acpi: handle some new HKEY 0x60xx events
acer-wmi: fix bitwise bug when set device state
acer-wmi: Only update rfkill status for associated hotkey events
Diffstat (limited to 'drivers/platform/x86/dell-laptop.c')
| -rw-r--r-- | drivers/platform/x86/dell-laptop.c | 30 |
1 files changed, 5 insertions, 25 deletions
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index d3841de6a8cf..e39ab1d3ed87 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -292,12 +292,9 @@ static int dell_rfkill_set(void *data, bool blocked) dell_send_request(buffer, 17, 11); /* If the hardware switch controls this radio, and the hardware - switch is disabled, don't allow changing the software state. - If the hardware switch is reported as not supported, always - fire the SMI to toggle the killswitch. */ + switch is disabled, don't allow changing the software state */ if ((hwswitch_state & BIT(hwswitch_bit)) && - !(buffer->output[1] & BIT(16)) && - (buffer->output[1] & BIT(0))) { + !(buffer->output[1] & BIT(16))) { ret = -EINVAL; goto out; } @@ -403,23 +400,6 @@ static const struct file_operations dell_debugfs_fops = { static void dell_update_rfkill(struct work_struct *ignored) { - int status; - - get_buffer(); - dell_send_request(buffer, 17, 11); - status = buffer->output[1]; - release_buffer(); - - /* if hardware rfkill is not supported, set it explicitly */ - if (!(status & BIT(0))) { - if (wifi_rfkill) - dell_rfkill_set((void *)1, !((status & BIT(17)) >> 17)); - if (bluetooth_rfkill) - dell_rfkill_set((void *)2, !((status & BIT(18)) >> 18)); - if (wwan_rfkill) - dell_rfkill_set((void *)3, !((status & BIT(19)) >> 19)); - } - if (wifi_rfkill) dell_rfkill_query(wifi_rfkill, (void *)1); if (bluetooth_rfkill) @@ -560,11 +540,11 @@ static int dell_get_intensity(struct backlight_device *bd) else dell_send_request(buffer, 0, 1); + ret = buffer->output[1]; + out: release_buffer(); - if (ret) - return ret; - return buffer->output[1]; + return ret; } static const struct backlight_ops dell_ops = { |