Hi:
在 2021/3/1 21:09, Greg KH 写道:
On Mon, Mar 01, 2021 at 08:58:55PM +0800, Tian Tao wrote:
fix the below warnning:
/drivers/w1/slaves/w1_ds2780.c:93:60-61: WARNING opportunity for
kobj_to_dev()
What creates that warning?
This is reported by coccicheck.
Signed-off-by: Tian Tao <tiant...@hisilicon.com>
---
drivers/w1/slaves/w1_ds2780.c | 3 ++-
drivers/w1/slaves/w1_ds2781.c | 2 +-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/w1/slaves/w1_ds2780.c b/drivers/w1/slaves/w1_ds2780.c
index c281fe5..3cde1bb 100644
--- a/drivers/w1/slaves/w1_ds2780.c
+++ b/drivers/w1/slaves/w1_ds2780.c
@@ -90,7 +90,8 @@ static ssize_t w1_slave_read(struct file *filp, struct
kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
loff_t off, size_t count)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
+
Why the extra line here, but not in the other chunk?
This is reported by checkpatch.
tiantao@ubuntu:~/mailline/linux-next$ ./scripts/checkpatch.pl
drivers/w1/slaves/w1_ds2780.c
WARNING: Missing a blank line after declarations
#94: FILE: drivers/w1/slaves/w1_ds2780.c:94:
+ struct device *dev = kobj_to_dev(kobj);
+ return w1_ds2780_io(dev, buf, off, count, 0);
Consistancy is key :)
Please fix up.
thanks,
greg k-h
.