]> git.baikalelectronics.ru Git - kernel.git/commit
platform/x86: dell-smbios-wmi: Add missing kfree in error-exit from run_smbios_call
authorHans de Goede <hdegoede@redhat.com>
Thu, 26 Aug 2021 14:08:22 +0000 (16:08 +0200)
committerHans de Goede <hdegoede@redhat.com>
Thu, 26 Aug 2021 14:09:43 +0000 (16:09 +0200)
commit7522c4418cab961f4a32413c488435a965c1ccf4
treee13e56c0d08fb682952301ea3ad8de347d6d803b
parent572baf0ca48caa80a45a8359b3c01662479da0b9
platform/x86: dell-smbios-wmi: Add missing kfree in error-exit from run_smbios_call

As pointed out be Kees Cook if we return -EIO because the
obj->type != ACPI_TYPE_BUFFER, then we must kfree the
output buffer before the return.

Fixes: 42958e5fa712 ("platform/x86: dell-smbios-wmi: Add new WMI dispatcher driver")
Reported-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210826140822.71198-1-hdegoede@redhat.com
drivers/platform/x86/dell/dell-smbios-wmi.c