dmar: initialize the return value in dmar_parse_dev()

initialize the return value in dmar_parse_dev()

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index f2c5eb6..d281a03 100644 (file)
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -193,7 +193,7 @@ dmar_parse_dev(struct dmar_drhd_unit *dmaru)
 {
        struct acpi_dmar_hardware_unit *drhd;
        static int include_all;
-       int ret;
+       int ret = 0;
 
        drhd = (struct acpi_dmar_hardware_unit *) dmaru->hdr;