iommu/dmar: Remove redundant assignment of ret

There is no need to assign ret to 0 in some cases. Moreover it might
shadow some errors in the future.

Remove such assignments.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 71d774f..9a44e20 100644 (file)
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -391,7 +391,7 @@ static int dmar_parse_one_drhd(struct acpi_dmar_header *header, void *arg)
 {
        struct acpi_dmar_hardware_unit *drhd;
        struct dmar_drhd_unit *dmaru;
-       int ret = 0;
+       int ret;
 
        drhd = (struct acpi_dmar_hardware_unit *)header;
        dmaru = dmar_find_dmaru(drhd);
@@ -609,8 +609,8 @@ static int __init
 parse_dmar_table(void)
 {
        struct acpi_table_dmar *dmar;
-       int ret = 0;
        int drhd_count = 0;
+       int ret;
        struct dmar_res_callback cb = {
                .print_entry = true,
                .ignore_unhandled = true,