ACPI / APEI: fix error return code in ghes_probe()

Fix to return a negative error code in the acpi_gsi_to_irq() and
request_irq() error handling case instead of 0, as done elsewhere
in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index d668a8ae602b..ea750ed7c264 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -917,13 +917,14 @@ static int ghes_probe(struct platform_device *ghes_dev)
                 break;
         case ACPI_HEST_NOTIFY_EXTERNAL:
                 /* External interrupt vector is GSI */
-                if (acpi_gsi_to_irq(generic->notify.vector, &ghes->irq)) {
+                rc = acpi_gsi_to_irq(generic->notify.vector, &ghes->irq);
+                if (rc) {
                         pr_err(GHES_PFX "Failed to map GSI to IRQ for generic hardware error source: %d\n",
                                generic->header.source_id);
                         goto err_edac_unreg;
                 }
-                if (request_irq(ghes->irq, ghes_irq_func,
-                                0, "GHES IRQ", ghes)) {
+                rc = request_irq(ghes->irq, ghes_irq_func, 0, "GHES IRQ", ghes);
+                if (rc) {
                         pr_err(GHES_PFX "Failed to register IRQ for generic hardware error source: %d\n",
                                generic->header.source_id);
                         goto err_edac_unreg;