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authorSudip Mukherjee <sudipm.mukherjee@gmail.com>2016-04-30 22:11:30 +0300
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2016-05-20 13:33:51 +0300
commit3497610a45d15bd33d1993ddd84951ad21b35ded (patch)
tree203e65e71e301fa4a50851fba5ebdb6e417457b4 /drivers/rtc
parent6fca3fc51632685635cb7143065ae74d44673871 (diff)
downloadlinux-3497610a45d15bd33d1993ddd84951ad21b35ded.tar.xz
rtc: stmp3xxx: print message on error
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.mukherjee@codethink.co.uk> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-stmp3xxx.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c
index ca54d039da31..e6aaaa52e7fe 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)