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[CRYPTO]: crypto_free_tfm() callers no longer need to check for NULL

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Since the patch to add a NULL short-circuit to crypto_free_tfm() went in,
there's no longer any need for callers of that function to check for NULL.
This patch removes the redundant NULL checks and also a few similar checks
for NULL before calls to kfree() that I ran into while doing the
crypto_free_tfm bits.

I've succesfuly compile tested this patch, and a kernel with the patch 
applied boots and runs just fine.

When I posted the patch to LKML (and other lists/people on Cc) it drew the
following comments :

 J. Bruce Fields commented
  "I've no problem with the auth_gss or nfsv4 bits.--b."

 Sridhar Samudrala said
  "sctp change looks fine."

 Herbert Xu signed off on the patch.

So, I guess this is ready to be dropped into -mm and eventually mainline.

Signed-off-by: Jesper Juhl <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Jesper Juhl 2005-09-01 17:44:29 -07:00 • committed by David S. Miller
commit 573dbd9596
14 changed files with 44 additions and 88 deletions
Download patch file Download diff file Expand all files Collapse all files

3
net/sctp/endpointola.c
View file

@ -193,8 +193,7 @@ static void sctp_endpoint_destroy(struct sctp_endpoint *ep)
sctp_unhash_endpoint(ep);
/* Free up the HMAC transform. */
if (sctp_sk(ep->base.sk)->hmac)
sctp_crypto_free_tfm(sctp_sk(ep->base.sk)->hmac);
sctp_crypto_free_tfm(sctp_sk(ep->base.sk)->hmac);
/* Cleanup. */
sctp_inq_free(&ep->base.inqueue);

3
net/sctp/socket.c
View file

@ -4194,8 +4194,7 @@ out:
sctp_release_sock(sk);
return err;
cleanup:
if (tfm)
sctp_crypto_free_tfm(tfm);
sctp_crypto_free_tfm(tfm);
goto out;
}