From ab38fb04c9f8928cfaf6f4966633d783419906a1 Mon Sep 17 00:00:00 2001 From: Vlad Yasevich Date: Sat, 12 Apr 2008 18:40:06 -0700 Subject: [PATCH] [SCTP]: Fix compiler warning about const qualifiers Fix 3 warnings about discarding const qualifiers: net/sctp/ulpevent.c:862: warning: passing argument 1 of 'sctp_event2skb' discards qualifiers from pointer target type net/sctp/sm_statefuns.c:4393: warning: passing argument 1 of 'SCTP_ASOC' discards qualifiers from pointer target type net/sctp/socket.c:5874: warning: passing argument 1 of 'cmsg_nxthdr' discards qualifiers from pointer target type Signed-off-by: Vlad Yasevich Signed-off-by: David S. Miller --- include/net/sctp/ulpevent.h | 2 +- net/sctp/sm_statefuns.c | 5 +++-- net/sctp/socket.c | 5 +++-- net/sctp/ulpevent.c | 2 +- 4 files changed, 8 insertions(+), 6 deletions(-) diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h index 9bcfc12275e8..7ea12e8e6676 100644 --- a/include/net/sctp/ulpevent.h +++ b/include/net/sctp/ulpevent.h @@ -67,7 +67,7 @@ struct sctp_ulpevent { }; /* Retrieve the skb this event sits inside of. */ -static inline struct sk_buff *sctp_event2skb(struct sctp_ulpevent *ev) +static inline struct sk_buff *sctp_event2skb(const struct sctp_ulpevent *ev) { return container_of((void *)ev, struct sk_buff, cb); } diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 3ef97499df0d..07194c2a32df 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -4367,6 +4367,7 @@ sctp_disposition_t sctp_sf_do_prm_asoc(const struct sctp_endpoint *ep, sctp_cmd_seq_t *commands) { struct sctp_chunk *repl; + struct sctp_association* my_asoc; /* The comment below says that we enter COOKIE-WAIT AFTER * sending the INIT, but that doesn't actually work in our @@ -4390,8 +4391,8 @@ sctp_disposition_t sctp_sf_do_prm_asoc(const struct sctp_endpoint *ep, /* Cast away the const modifier, as we want to just * rerun it through as a sideffect. */ - sctp_add_cmd_sf(commands, SCTP_CMD_NEW_ASOC, - SCTP_ASOC((struct sctp_association *) asoc)); + my_asoc = (struct sctp_association *)asoc; + sctp_add_cmd_sf(commands, SCTP_CMD_NEW_ASOC, SCTP_ASOC(my_asoc)); /* Choose transport for INIT. */ sctp_add_cmd_sf(commands, SCTP_CMD_INIT_CHOOSE_TRANSPORT, diff --git a/net/sctp/socket.c b/net/sctp/socket.c index d994d822900d..998e63a31311 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -5868,11 +5868,12 @@ SCTP_STATIC int sctp_msghdr_parse(const struct msghdr *msg, sctp_cmsgs_t *cmsgs) { struct cmsghdr *cmsg; + struct msghdr *my_msg = (struct msghdr *)msg; for (cmsg = CMSG_FIRSTHDR(msg); cmsg != NULL; - cmsg = CMSG_NXTHDR((struct msghdr*)msg, cmsg)) { - if (!CMSG_OK(msg, cmsg)) + cmsg = CMSG_NXTHDR(my_msg, cmsg)) { + if (!CMSG_OK(my_msg, cmsg)) return -EINVAL; /* Should we parse this header or ignore? */ diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c index b43f1f110f87..ce6cda6b6994 100644 --- a/net/sctp/ulpevent.c +++ b/net/sctp/ulpevent.c @@ -859,7 +859,7 @@ __u16 sctp_ulpevent_get_notification_type(const struct sctp_ulpevent *event) union sctp_notification *notification; struct sk_buff *skb; - skb = sctp_event2skb((struct sctp_ulpevent *)event); + skb = sctp_event2skb(event); notification = (union sctp_notification *) skb->data; return notification->sn_header.sn_type; }