tun_dst: Remove opts_size

Pravin B Shelar · davem330 · commit 63b6c13dbb7d · 2015-08-31T21:23:42.000-07:00
opts_size is only written and never read. Following patch
removes this unused variable.

Signed-off-by: Pravin B Shelar &lt;pshelar@nicira.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
@@ -7,7 +7,6 @@
 
 struct metadata_dst {
 	struct dst_entry		dst;
-	size_t				opts_len;
 	union {
 		struct ip_tunnel_info	tun_info;
 	} u;
diff --git a/net/core/dst.c b/net/core/dst.c
@@ -378,7 +378,6 @@ static void __metadata_dst_init(struct metadata_dst *md_dst, u8 optslen)
 	dst->output = dst_md_discard_sk;
 
 	memset(dst + 1, 0, sizeof(*md_dst) + optslen - sizeof(*dst));
-	md_dst->opts_len = optslen;
 }
 
 struct metadata_dst *metadata_dst_alloc(u8 optslen, gfp_t flags)

Original file line number	Diff line number	Diff line change
`@@ -378,7 +378,6 @@ static void __metadata_dst_init(struct metadata_dst *md_dst, u8 optslen)`
`378`	`378`	`dst->output = dst_md_discard_sk;`
`379`	`379`
`380`	`380`	`memset(dst + 1, 0, sizeof(md_dst) + optslen - sizeof(dst));`
`381`		`- md_dst->opts_len = optslen;`
`382`	`381`	`}`
`383`	`382`
`384`	`383`	`struct metadata_dst *metadata_dst_alloc(u8 optslen, gfp_t flags)`