| Message ID | 20201023112212.GA282278@mwanda (mailing list archive) |
|---|---|
| State | Not Applicable |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | [net] net: hns3: clean up a return in hclge_tm_bp_setup() | expand |
On 2020/10/23 19:22, Dan Carpenter wrote: > Smatch complains that "ret" might be uninitialized if we don't enter > the loop. We do always enter the loop so it's a false positive, but > it's cleaner to just return a literal zero and that silences the > warning as well. Thanks for the clean up. Minor comment below: Perhap it makes sense to limit ret scope within the for loop after returning zero. > > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> > --- > drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c > index 15f69fa86323..e8495f58a1a8 100644 > --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c > +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c > @@ -1373,7 +1373,7 @@ static int hclge_tm_bp_setup(struct hclge_dev *hdev) > return ret; > } > > - return ret; > + return 0; > } > > int hclge_pause_setup_hw(struct hclge_dev *hdev, bool init) >
On Mon, Oct 26, 2020 at 11:18:16AM +0800, Yunsheng Lin wrote: > On 2020/10/23 19:22, Dan Carpenter wrote: > > Smatch complains that "ret" might be uninitialized if we don't enter > > the loop. We do always enter the loop so it's a false positive, but > > it's cleaner to just return a literal zero and that silences the > > warning as well. > > Thanks for the clean up. Minor comment below: > Perhap it makes sense to limit ret scope within the for loop after > returning zero. > It's not really normal to limit ret scope... I think it's better to leave it as-is. regards, dan carpenter
On Fri, 23 Oct 2020 14:22:12 +0300 Dan Carpenter wrote: > Smatch complains that "ret" might be uninitialized if we don't enter > the loop. We do always enter the loop so it's a false positive, but > it's cleaner to just return a literal zero and that silences the > warning as well. > > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Applied, thanks!
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c index 15f69fa86323..e8495f58a1a8 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c @@ -1373,7 +1373,7 @@ static int hclge_tm_bp_setup(struct hclge_dev *hdev) return ret; } - return ret; + return 0; } int hclge_pause_setup_hw(struct hclge_dev *hdev, bool init)
Smatch complains that "ret" might be uninitialized if we don't enter the loop. We do always enter the loop so it's a false positive, but it's cleaner to just return a literal zero and that silences the warning as well. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)