On Mon, 2014-09-29 at 20:15 +0200, Thibaut Robert wrote:
> This patch remove a checkstyle warning in netlink_k.c.
> Note: This is my homework of the day.
The "Note: " line isn't useful for a commit message.
Neither is the checkpatch warning bit.
Maybe the commit message could be something like:
"Remove unnecessary else after return".
> diff --git a/drivers/staging/gdm72xx/netlink_k.c
> b/drivers/staging/gdm72xx/netlink_k.c
[]
> @@ -147,12 +147,11 @@ int netlink_send(struct sock *sock, int group, u16
> type, void *msg, int len)
>
> if (!ret) {
> return len;
> - } else {
> - if (ret != -ESRCH) {
> - pr_err("netlink_broadcast g=%d, t=%d, l=%d, r=%d\n",
> - group, type, len, ret);
> - }
> - ret = 0;
> }
> - return ret;
> +
> + if (ret != -ESRCH) {
> + pr_err("netlink_broadcast g=%d, t=%d, l=%d, r=%d\n",
> + group, type, len, ret);
> + }
OK, but you don't need the braces around the pr_err.
My preference is to also fix the typo in the function
and would be something like:
---
drivers/staging/gdm72xx/netlink_k.c | 23 ++++++++++-------------
1 file changed, 10 insertions(+), 13 deletions(-)
diff --git a/drivers/staging/gdm72xx/netlink_k.c
b/drivers/staging/gdm72xx/netlink_k.c
index 9bf00e6..43d2a49 100644
--- a/drivers/staging/gdm72xx/netlink_k.c
+++ b/drivers/staging/gdm72xx/netlink_k.c
@@ -120,9 +120,9 @@ int netlink_send(struct sock *sock, int group, u16 type,
void *msg, int len)
struct nlmsghdr *nlh;
int ret = 0;
- if (group > ND_MAX_GROUP) {
- pr_err("Group %d is invalied.\n", group);
- pr_err("Valid group is 0 ~ %d.\n", ND_MAX_GROUP);
+ if (group < 0 || group > ND_MAX_GROUP) {
+ pr_err("Invalid group %d (valid groups are 0 to %d)\n",
+ group, ND_MAX_GROUP);
return -EINVAL;
}
@@ -144,15 +144,12 @@ int netlink_send(struct sock *sock, int group, u16 type,
void *msg, int len)
NETLINK_CB(skb).dst_group = 0;
ret = netlink_broadcast(sock, skb, 0, group+1, GFP_ATOMIC);
-
- if (!ret) {
+ if (!ret)
return len;
- } else {
- if (ret != -ESRCH) {
- pr_err("netlink_broadcast g=%d, t=%d, l=%d, r=%d\n",
- group, type, len, ret);
- }
- ret = 0;
- }
- return ret;
+
+ if (ret != -ESRCH)
+ pr_err("netlink_broadcast g=%d, t=%d, l=%d, r=%d\n",
+ group, type, len, ret);
+
+ return 0;
}
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