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[SCTP]: Fix warning

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An alternate solution would be to make the digest a pointer, allocate
it in sctp_endpoint_init() and free it in sctp_endpoint_destroy().

I guess I should have originally done it this way...

  CC [M]  net/sctp/sm_make_chunk.o
net/sctp/sm_make_chunk.c: In function 'sctp_unpack_cookie':
net/sctp/sm_make_chunk.c:1358: warning: initialization discards qualifiers from pointer target type

The reason is that sctp_unpack_cookie() takes a const struct
sctp_endpoint and modifies the digest in it (digest being embedded in
the struct, not a pointer).  Make digest a pointer to fix this
warning.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Acked-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Yasevich 2006-11-09 16:29:57 -08:00 committed by David S. Miller
parent 9ec75fe85c
commit b68dbcab1d
2 changed files with 8 additions and 1 deletions
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2
include/net/sctp/structs.h
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@ -1270,7 +1270,7 @@ struct sctp_endpoint {
* this here so we pre-allocate this once and can re-use
* on every receive.
*/
__u8 digest[SCTP_SIGNATURE_SIZE];
__u8 *digest;
/* sendbuf acct. policy. */
__u32 sndbuf_policy;

7
net/sctp/endpointola.c
View File

@ -72,6 +72,10 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
{
memset(ep, 0, sizeof(struct sctp_endpoint));
ep->digest = kzalloc(SCTP_SIGNATURE_SIZE, gfp);
if (!ep->digest)
return NULL;
/* Initialize the base structure. */
/* What type of endpoint are we? */
ep->base.type = SCTP_EP_TYPE_SOCKET;
@ -182,6 +186,9 @@ static void sctp_endpoint_destroy(struct sctp_endpoint *ep)
/* Free up the HMAC transform. */
crypto_free_hash(sctp_sk(ep->base.sk)->hmac);
/* Free the digest buffer */
kfree(ep->digest);
/* Cleanup. */
sctp_inq_free(&ep->base.inqueue);
sctp_bind_addr_free(&ep->base.bind_addr);