X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Facpi%2Futils.c;fp=drivers%2Facpi%2Futils.c;h=44ea60cf21c09c00adc1135394decbb4af2faa1d;hb=b6a163875935ce8e8e85901a7f2b68f7a314d914;hp=eba55b7d6c95ad63479430fc3c63c57dce3a5b19;hpb=d6f882e10442c1ea6ed5f93365f48be4cb520be7;p=pandora-kernel.git

diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index eba55b7d6c95..44ea60cf21c0 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -407,6 +407,12 @@ acpi_evaluate_reference(acpi_handle handle,
 			break;
 		}
 
+		if (!element->reference.handle) {
+			printk(KERN_WARNING PREFIX "Invalid reference in"
+			       " package %s\n", pathname);
+			status = AE_NULL_ENTRY;
+			break;
+		}
 		/* Get the  acpi_handle. */
 
 		list->handles[i] = element->reference.handle;