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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2015-03-11 10:36:07 +0100 |
|---|---|---|
| committer | Darren Hart <dvhart@linux.intel.com> | 2015-03-14 20:00:19 +0100 |
| commit | 741d98c733b6605fc621c5c8740c7120ae1c0006 (patch) | |
| tree | 926eb28f569a2ffa67e78b09eb4d4ddb7df8ee27 /drivers | |
| parent | thinkpad_acpi: signedness bugs getting current_mode (diff) | |
| download | linux-741d98c733b6605fc621c5c8740c7120ae1c0006.tar.xz linux-741d98c733b6605fc621c5c8740c7120ae1c0006.zip | |
thinkpad_acpi: off by one in adaptive_keyboard_hotkey_notify_hotkey()
This should be >= instead of > because otherwise we read one element
past the end of the hotkey_keycode_map[] array.
The hotkey_keycode_map[] array has TPACPI_HOTKEY_MAP_LEN elements.
Fixes: 6a68d8557084 ('thinkpad_acpi: Add support for more adaptive kbd buttons')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-By: Bastien Nocera <hadess@hadess.net>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/platform/x86/thinkpad_acpi.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 024861db1587..7769575345d8 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -3656,8 +3656,9 @@ static bool adaptive_keyboard_hotkey_notify_hotkey(unsigned int scancode) return true; default: - if (scancode < FIRST_ADAPTIVE_KEY || scancode > FIRST_ADAPTIVE_KEY + - TPACPI_HOTKEY_MAP_LEN - ADAPTIVE_KEY_OFFSET) { + if (scancode < FIRST_ADAPTIVE_KEY || + scancode >= FIRST_ADAPTIVE_KEY + TPACPI_HOTKEY_MAP_LEN - + ADAPTIVE_KEY_OFFSET) { pr_info("Unhandled adaptive keyboard key: 0x%x\n", scancode); return false; |