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authorYing Xue <ying.xue@windriver.com>2013-10-18 07:23:15 +0200
committerDavid S. Miller <davem@davemloft.net>2013-10-18 13:20:42 -0400
commit9446b87addd90a067b21c726aedd3c42694c1780 (patch)
treee87770cf1526e863e68feedac896e2133d79f607 /net/tipc/msg.c
parent5c0a0fc81f4dc786b42c4fc9c7c72ba635406ab5 (diff)
downloadlinux-9446b87addd90a067b21c726aedd3c42694c1780.tar.bz2
tipc: remove iovec length parameter from all sending functions
tipc_msg_build() now copies message data from iovec to skb_buff using memcpy_fromiovecend(), which doesn't need to be passed the iovec length to perform the copying. So we remove the parameter indicating iovec length in all functions where TIPC messages are built and sent. Signed-off-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/msg.c')
-rw-r--r--net/tipc/msg.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 1e76d91e5691..e525f8ce1dee 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -73,13 +73,12 @@ void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type, u32 hsize,
* Returns message data size or errno
*/
int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect,
- u32 num_sect, unsigned int total_len, int max_size,
- struct sk_buff **buf)
+ unsigned int len, int max_size, struct sk_buff **buf)
{
int dsz, sz, hsz;
unsigned char *to;
- dsz = total_len;
+ dsz = len;
hsz = msg_hdr_sz(hdr);
sz = hsz + dsz;
msg_set_size(hdr, sz);
@@ -93,7 +92,7 @@ int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect,
return -ENOMEM;
skb_copy_to_linear_data(*buf, hdr, hsz);
to = (*buf)->data + hsz;
- if (total_len && memcpy_fromiovecend(to, msg_sect, 0, dsz)) {
+ if (len && memcpy_fromiovecend(to, msg_sect, 0, dsz)) {
kfree_skb(*buf);
*buf = NULL;
return -EFAULT;