diff options
author | David S. Miller <davem@davemloft.net> | 2015-02-05 07:46:55 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2015-02-05 07:46:55 +0300 |
commit | f2683b743f2334ef49a5361bf596dd1fbd2c9be4 (patch) | |
tree | 7f53b2614742238e966ba8a815ef6c5079422ee2 /net/ipv4/ping.c | |
parent | 9878196578286c5ed494778ada01da094377a686 (diff) | |
parent | 57dd8a0735aabff4862025cf64ad94da3d80e620 (diff) | |
download | linux-f2683b743f2334ef49a5361bf596dd1fbd2c9be4.tar.xz |
Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
More iov_iter work from Al Viro.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ping.c')
-rw-r--r-- | net/ipv4/ping.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 2a3720fb5a5f..e9f66e1cda50 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -599,18 +599,18 @@ int ping_getfrag(void *from, char *to, struct pingfakehdr *pfh = (struct pingfakehdr *)from; if (offset == 0) { - if (fraglen < sizeof(struct icmphdr)) + fraglen -= sizeof(struct icmphdr); + if (fraglen < 0) BUG(); - if (csum_partial_copy_fromiovecend(to + sizeof(struct icmphdr), - pfh->iov, 0, fraglen - sizeof(struct icmphdr), - &pfh->wcheck)) + if (csum_and_copy_from_iter(to + sizeof(struct icmphdr), + fraglen, &pfh->wcheck, + &pfh->msg->msg_iter) != fraglen) return -EFAULT; } else if (offset < sizeof(struct icmphdr)) { BUG(); } else { - if (csum_partial_copy_fromiovecend - (to, pfh->iov, offset - sizeof(struct icmphdr), - fraglen, &pfh->wcheck)) + if (csum_and_copy_from_iter(to, fraglen, &pfh->wcheck, + &pfh->msg->msg_iter) != fraglen) return -EFAULT; } @@ -811,8 +811,7 @@ back_from_confirm: pfh.icmph.checksum = 0; pfh.icmph.un.echo.id = inet->inet_sport; pfh.icmph.un.echo.sequence = user_icmph.un.echo.sequence; - /* XXX: stripping const */ - pfh.iov = (struct iovec *)msg->msg_iter.iov; + pfh.msg = msg; pfh.wcheck = 0; pfh.family = AF_INET; |