| From | Greg Kroah-Hartman <> | Subject | [ 082/100] acer-wmi: avoid the warning of devices may be used uninitialized | Date | Tue, 12 Mar 2013 15:32:07 -0700 |
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3.8-stable review patch. If anyone has any objections, please let me know.
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From: "Lee, Chun-Yi" <joeyli.kernel@gmail.com>
commit f24c96eae58aeea4c36fb064cf3ee9734933f8fc upstream.
Fengguang Wu run kernel build test to platform-drivers-x86/linux-next git tree on x86_64 architecture and found a warning that was introduced by 727651bf738b6b917335025d09323d0962eda114 commit:
drivers/platform/x86/acer-wmi.c: In function âWMID_set_capabilitiesâ: drivers/platform/x86/acer-wmi.c:1211: warning: âdevicesâ may be used uninitialized in this function
This patch fixes the above warning message.
Signed-off-by: Lee, Chun-Yi <jlee@suse.com> Cc: Carlos Corbacho <carlos@strangeworlds.co.uk> Cc: Matthew Garrett <mjg@redhat.com> Cc: Dmitry Torokhov <dtor@mail.ru> Cc: Corentin Chary <corentincj@iksaif.net> Cc: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com> Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/platform/x86/acer-wmi.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -1204,6 +1204,9 @@ static acpi_status WMID_set_capabilities devices = *((u32 *) obj->buffer.pointer); } else if (obj->type == ACPI_TYPE_INTEGER) { devices = (u32) obj->integer.value; + } else { + kfree(out.pointer); + return AE_ERROR; } } else { kfree(out.pointer);
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