X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Facpi%2Fdispatcher%2Fdsfield.c;h=f988a5e7d2b4f504b62214260788ee28afefa367;hb=338b9bb3adac0d2c5a1e180491d9b001d624c402;hp=c78078315be9f707c8adc3b88184e4c70c5a097e;hpb=c36c804559d3a891a2e655ba8185b4fa7eaee156;p=linux-2.6

diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c
index c78078315b..f988a5e7d2 100644
--- a/drivers/acpi/dispatcher/dsfield.c
+++ b/drivers/acpi/dispatcher/dsfield.c
@@ -450,10 +450,6 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
 		return_ACPI_STATUS(AE_BAD_PARAMETER);
 	}
 
-	if (!arg) {
-		return_ACPI_STATUS(AE_AML_NO_OPERAND);
-	}
-
 	/* Creating new namespace node(s), should not already exist */
 
 	flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
@@ -467,6 +463,7 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
 
 	/*
 	 * Walk the list of entries in the field_list
+	 * Note: field_list can be of zero length. In this case, Arg will be NULL.
 	 */
 	while (arg) {
 		/*