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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-11-14 17:38:05 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-11-14 17:38:05 -0800 |
| commit | 42249094f79422fbf5ed4b54eeb48ff096809b8f (patch) | |
| tree | 91e6850c8c7e8cc284cf8bb6363f8662f84011f4 /net/tipc/msg.c | |
| parent | 936816161978ca716a56c5e553c68f25972b1e3a (diff) | |
| parent | 2c027b7c48a888ab173ba45babb4525e278375d9 (diff) | |
Merge branch 'next' into for-linus
Merge first round of changes for 3.13 merge window.
Diffstat (limited to 'net/tipc/msg.c')
| -rw-r--r-- | net/tipc/msg.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/net/tipc/msg.c b/net/tipc/msg.c index f2db8a87d9c..ced60e2fc4f 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -51,8 +51,8 @@ u32 tipc_msg_tot_importance(struct tipc_msg *m) } -void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type, - u32 hsize, u32 destnode) +void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type, u32 hsize, + u32 destnode) { memset(m, 0, hsize); msg_set_version(m); @@ -73,8 +73,8 @@ void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type, * 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, int usrmem, struct sk_buff **buf) + u32 num_sect, unsigned int total_len, int max_size, + struct sk_buff **buf) { int dsz, sz, hsz, pos, res, cnt; @@ -92,14 +92,9 @@ int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect, return -ENOMEM; skb_copy_to_linear_data(*buf, hdr, hsz); for (res = 1, cnt = 0; res && (cnt < num_sect); cnt++) { - if (likely(usrmem)) - res = !copy_from_user((*buf)->data + pos, - msg_sect[cnt].iov_base, - msg_sect[cnt].iov_len); - else - skb_copy_to_linear_data_offset(*buf, pos, - msg_sect[cnt].iov_base, - msg_sect[cnt].iov_len); + skb_copy_to_linear_data_offset(*buf, pos, + msg_sect[cnt].iov_base, + msg_sect[cnt].iov_len); pos += msg_sect[cnt].iov_len; } if (likely(res)) |