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-rw-r--r--drivers/platform/x86/classmate-laptop.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c
index 3bf399f..73ea76e 100644
--- a/drivers/platform/x86/classmate-laptop.c
+++ b/drivers/platform/x86/classmate-laptop.c
@@ -573,16 +573,17 @@ static int cmpc_ipml_add(struct acpi_device *acpi)
ipml->rf = rfkill_alloc("cmpc_rfkill", &acpi->dev, RFKILL_TYPE_WLAN,
&cmpc_rfkill_ops, acpi->handle);
- /* rfkill_alloc may fail if RFKILL is disabled. We should still work
- * anyway. */
- if (!IS_ERR(ipml->rf)) {
+ /*
+ * If RFKILL is disabled, rfkill_alloc will return ERR_PTR(-ENODEV).
+ * This is OK, however, since all other uses of the device will not
+ * derefence it.
+ */
+ if (ipml->rf) {
retval = rfkill_register(ipml->rf);
if (retval) {
rfkill_destroy(ipml->rf);
ipml->rf = NULL;
}
- } else {
- ipml->rf = NULL;
}
dev_set_drvdata(&acpi->dev, ipml);