ACPI: sbs: check for NULL device pointer

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

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 62bef0b3b614..79f38f036775 100644
--- 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;
         }