X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Facpi%2Futilities%2Futalloc.c;h=7dcb67e0b215d1d56de71cff60edf3f4e56b2b9b;hb=1543966a079fc7065849ae43ca4dd767c188ad55;hp=e7bf34a7b1d29aa6819ddbfe62403012ca48551e;hpb=2ab61b01110aa04cd853c619a74881e3225a5e24;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index e7bf34a7b1d..7dcb67e0b21 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -242,10 +242,12 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
 {
 	acpi_status status = AE_OK;
 
-	if (!required_length) {
-		WARN_ON(1);
-		return AE_ERROR;
+	/* Parameter validation */
+
+	if (!buffer || !required_length) {
+		return (AE_BAD_PARAMETER);
 	}
+
 	switch (buffer->length) {
 	case ACPI_NO_BUFFER: