If driver_sysfs_add() fails, kernel shows following message, really_probe: driver_sysfs_add(portman.0) failed ppdev: probe of portman.0 failed with error 0
It's better to show the error number like other probe_failed path. Signed-off-by: Kefeng Wang <wangkefeng.w...@huawei.com> --- drivers/base/dd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 0df9b4461766..04ee4e196530 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -493,7 +493,8 @@ static int really_probe(struct device *dev, struct device_driver *drv) goto probe_failed; } - if (driver_sysfs_add(dev)) { + ret = driver_sysfs_add(dev); + if (ret) { printk(KERN_ERR "%s: driver_sysfs_add(%s) failed\n", __func__, dev_name(dev)); goto probe_failed; -- 2.20.1