[PATCH] drivers/rtc/rtc-jz4740.c: fix error check

From: Nicolas Kaiser
Date: Wed Mar 30 2011 - 12:14:51 EST


Checking 'rtc->irq < 0' doesn't work because 'rtc->irq' is unsigned.

Signed-off-by: Nicolas Kaiser <nikai@xxxxxxxxx>
---
Untested.

drivers/rtc/rtc-jz4740.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c
index b647363..ba91bc6 100644
--- a/drivers/rtc/rtc-jz4740.c
+++ b/drivers/rtc/rtc-jz4740.c
@@ -220,12 +220,13 @@ static int __devinit jz4740_rtc_probe(struct platform_device *pdev)
if (!rtc)
return -ENOMEM;

- rtc->irq = platform_get_irq(pdev, 0);
- if (rtc->irq < 0) {
+ ret = platform_get_irq(pdev, 0);
+ if (ret < 0) {
ret = -ENOENT;
dev_err(&pdev->dev, "Failed to get platform irq\n");
goto err_free;
}
+ rtc->irq = ret;

rtc->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!rtc->mem) {
--
1.7.3.4
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