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| author | Vlad Yasevich <vladislav.yasevich@hp.com> | 2007-05-09 13:50:20 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-05-10 23:45:29 -0700 |
| commit | 8dc4984a6bdcaf56cdb458a7338c32c16f32540c (patch) | |
| tree | 565bd6c7090ac424fc4239537f03bc6ba86ea99b /net/sctp/socket.c | |
| parent | d9568ba91b1fdd1ea4fdbf9fcc76b867cca6c1d5 (diff) | |
| download | linux-8dc4984a6bdcaf56cdb458a7338c32c16f32540c.tar.gz linux-8dc4984a6bdcaf56cdb458a7338c32c16f32540c.tar.bz2 linux-8dc4984a6bdcaf56cdb458a7338c32c16f32540c.zip | |
[SCTP]: Prevent OOPS if hmac modules didn't load
SCTP was checking for NULL when trying to detect hmac
allocation failure where it should have been using IS_ERR.
Also, print a rate limited warning to the log telling the
user what happend.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/socket.c')
| -rw-r--r-- | net/sctp/socket.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 83a76ba9d7b3..f3c95f9bd413 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -5227,7 +5227,12 @@ int sctp_inet_listen(struct socket *sock, int backlog) /* Allocate HMAC for generating cookie. */ if (sctp_hmac_alg) { tfm = crypto_alloc_hash(sctp_hmac_alg, 0, CRYPTO_ALG_ASYNC); - if (!tfm) { + if (IS_ERR(tfm)) { + if (net_ratelimit()) { + printk(KERN_INFO + "SCTP: failed to load transform for %s: %ld\n", + sctp_hmac_alg, PTR_ERR(tfm)); + } err = -ENOSYS; goto out; } |