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authorHans de Goede <hdegoede@redhat.com>2021-02-04 13:19:31 +0100
committerHans de Goede <hdegoede@redhat.com>2021-02-04 13:35:20 +0100
commit2c15644ebed06949458bf6956ed124164ef51063 (patch)
tree83765f71f959f8402c75cf12a89ffa4f15640ed9 /drivers/platform
parentf807f4b7b32db00fc8622289644362e0695989bb (diff)
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platform/x86: msi-wmi: Fix variable 'status' set but not used compiler warning
Explicitly check the status rather then relying on output.pointer staying NULL on an error. Reported-by: Maximilian Luz <luzmaximilian@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20210204121931.131617-1-hdegoede@redhat.com
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/msi-wmi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c
index 64ee7819c9d3..fd318cdfe313 100644
--- a/drivers/platform/x86/msi-wmi.c
+++ b/drivers/platform/x86/msi-wmi.c
@@ -96,6 +96,8 @@ static int msi_wmi_query_block(int instance, int *ret)
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
status = wmi_query_block(MSIWMI_BIOS_GUID, instance, &output);
+ if (ACPI_FAILURE(status))
+ return -EIO;
obj = output.pointer;