[PATCH net-next] packet: minor: remove unused err assignment

Subsystems: networking [general], packet sockets, the rest

STALE5093d

2 messages, 2 authors, 2012-10-26 · open the first message on its own page

[PATCH net-next] packet: minor: remove unused err assignment

From: Daniel Borkmann <hidden>
Date: 2012-10-24 13:27:28

This tiny patch removes two unused err assignments. In those two cases the
err variable is either overwritten with another value at a later point in
time without having read the previous assigment, or it is assigned and the
function returns without using/reading err after the assignment.

Signed-off-by: Daniel Borkmann <redacted>
---
 net/packet/af_packet.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 94060ed..9034f52 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1907,7 +1907,6 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff *skb,
 		to_write -= dev->hard_header_len;
 	}
 
-	err = -EFAULT;
 	offset = offset_in_page(data);
 	len_max = PAGE_SIZE - offset;
 	len = ((to_write > len_max) ? len_max : to_write);
@@ -1957,7 +1956,6 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
 
 	mutex_lock(&po->pg_vec_lock);
 
-	err = -EBUSY;
 	if (saddr == NULL) {
 		dev = po->prot_hook.dev;
 		proto	= po->num;

Re: [PATCH net-next] packet: minor: remove unused err assignment

From: David Miller <davem@davemloft.net>
Date: 2012-10-26 06:17:49

From: Daniel Borkmann <redacted>
Date: Wed, 24 Oct 2012 15:27:24 +0200
This tiny patch removes two unused err assignments. In those two cases the
err variable is either overwritten with another value at a later point in
time without having read the previous assigment, or it is assigned and the
function returns without using/reading err after the assignment.

Signed-off-by: Daniel Borkmann <redacted>
Applied, thanks.
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