[PATCH] rtc: isl1208: fix error handling in isl1208_probe()

[Alexey Khoroshilov]

After moving rtc_register_device() sysfs group is left unremoved
on the error path.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshi...@ispras.ru>
Fixes: 236b7187034e ("rtc: isl1208: switch to rtc_register_device")
---
 drivers/rtc/rtc-isl1208.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index 1a2c38cc0178..4b5df9bfb8d4 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -674,7 +674,12 @@ isl1208_probe(struct i2c_client *client, const struct 
i2c_device_id *id)
                }
        }
 
-       return rtc_register_device(rtc);
+       rc = rtc_register_device(rtc);
+       if (rc) {
+               sysfs_remove_group(&client->dev.kobj, &isl1208_rtc_sysfs_files);
+               return rc;
+       }
+       return 0;
 }
 
 static int
-- 
2.7.4