ACPI: sbs: check for NULL device pointer

Signed-off-by: Len Brown <len.brown@intel.com>

ACPI: sbs: check for NULL device pointer
Signed-off-by: Len Brown <len.brown@intel.com>
963497c1 · Lebedev, Vladimir P · Len Brown · b4bd8c66 · 963497c1
Commit 963497c1 authored Sep 05, 2006 by Lebedev, Vladimir P Committed by Len Brown Oct 14, 2006
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Showing with 8 additions and 2 deletions

drivers/acpi/sbs.c drivers/acpi/sbs.c +8 -2

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--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -1685,10 +1685,16 @@ static int acpi_sbs_add(struct acpi_device *device)

 int acpi_sbs_remove(struct acpi_device *device, int type)
 {
-	struct acpi_sbs *sbs = (struct acpi_sbs *)acpi_driver_data(device);
+	struct acpi_sbs *sbs = NULL;
 	int id;

-	if (!device || !sbs) {
+	if (!device) {
+		return -EINVAL;
+	}
+
+	sbs = (struct acpi_sbs *)acpi_driver_data(device);
+
+	if (!sbs) {
 		return -EINVAL;
 	}