[PATCH v2] clocksource: em_sti: fix error return codes in em_sti_probe()

[Gustavo A. R. Silva]

Propagate the return values of platform_get_irq and
devm_request_irq on failure.

Cc: Frans Klaver <franskla...@gmail.com>
Signed-off-by: Gustavo A. R. Silva <garsi...@embeddedor.com>
---
Changes in v2:
 Use 'ret' instead of 'irq' for taking the result of devm_request_irq.

 drivers/clocksource/em_sti.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/clocksource/em_sti.c b/drivers/clocksource/em_sti.c
index bc48cbf..269db74 100644
--- a/drivers/clocksource/em_sti.c
+++ b/drivers/clocksource/em_sti.c
@@ -305,7 +305,7 @@ static int em_sti_probe(struct platform_device *pdev)
        irq = platform_get_irq(pdev, 0);
        if (irq < 0) {
                dev_err(&pdev->dev, "failed to get irq\n");
-               return -EINVAL;
+               return irq;
        }
 
        /* map memory, let base point to the STI instance */
@@ -314,11 +314,12 @@ static int em_sti_probe(struct platform_device *pdev)
        if (IS_ERR(p->base))
                return PTR_ERR(p->base);
 
-       if (devm_request_irq(&pdev->dev, irq, em_sti_interrupt,
-                            IRQF_TIMER | IRQF_IRQPOLL | IRQF_NOBALANCING,
-                            dev_name(&pdev->dev), p)) {
+       ret = devm_request_irq(&pdev->dev, irq, em_sti_interrupt,
+                              IRQF_TIMER | IRQF_IRQPOLL | IRQF_NOBALANCING,
+                              dev_name(&pdev->dev), p);
+       if (ret) {
                dev_err(&pdev->dev, "failed to request low IRQ\n");
-               return -ENOENT;
+               return ret;
        }
 
        /* get hold of clock */
-- 
2.5.0