stmp3xxx_wdt_register() can fail as platform_device_alloc() or
platform_device_add() can fail. But when it fails it failed silently.
Lets print out an error message on failure so that user will atlest
know that there was some error.
Signed-off-by: Sudip Mukherjee <sudip.mukher...@codethink.co.uk>
---
v1 - returned error while failing in the probe.
drivers/rtc/rtc-stmp3xxx.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c
index ca54d03..e6aaaa5 100644
--- a/drivers/rtc/rtc-stmp3xxx.c
+++ b/drivers/rtc/rtc-stmp3xxx.c
@@ -107,14 +107,19 @@ static struct stmp3xxx_wdt_pdata wdt_pdata = {
static void stmp3xxx_wdt_register(struct platform_device *rtc_pdev)
{
+ int rc = -1;
struct platform_device *wdt_pdev =
platform_device_alloc("stmp3xxx_rtc_wdt", rtc_pdev->id);
if (wdt_pdev) {
wdt_pdev->dev.parent = &rtc_pdev->dev;
wdt_pdev->dev.platform_data = &wdt_pdata;
- platform_device_add(wdt_pdev);
+ rc = platform_device_add(wdt_pdev);
}
+
+ if (rc)
+ dev_err(&rtc_pdev->dev,
+ "failed to register stmp3xxx_rtc_wdt\n");
}
#else
static void stmp3xxx_wdt_register(struct platform_device *rtc_pdev)
--
1.9.1
