net/fec: don't free an irq that failed to be requested

Reported-by: Lothar Waßmann <LW@KARO-elektronics.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index b079826586ef..aa1db8e637cd 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -1409,10 +1409,9 @@ fec_probe(struct platform_device *pdev)
                         break;
                 ret = request_irq(irq, fec_enet_interrupt, IRQF_DISABLED, pdev->name, ndev);
                 if (ret) {
-                        while (i >= 0) {
+                        while (--i >= 0) {
                                 irq = platform_get_irq(pdev, i);
                                 free_irq(irq, ndev);
-                                i--;
                         }
                         goto failed_irq;
                 }