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Audit: cleanup netlink mesg handling 

The audit handling of netlink messages is all over the place.  Clean things
up, use predetermined macros, generally make it more readable.

Signed-off-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Eric Paris 2009-06-11 14:31:35 -04:00 committed by Al Viro
parent 038cbcf65f
commit ee080e6ce9
1 changed files with 15 additions and 15 deletions
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30
kernel/audit.c
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@ -528,22 +528,20 @@ struct sk_buff *audit_make_reply(int pid, int seq, int type, int done,
{
struct sk_buff *skb;
struct nlmsghdr *nlh;
int len = NLMSG_SPACE(size);
void *data;
int flags = multi ? NLM_F_MULTI : 0;
int t = done ? NLMSG_DONE : type;
skb = alloc_skb(len, GFP_KERNEL);
skb = nlmsg_new(size, GFP_KERNEL);
if (!skb)
return NULL;
nlh = NLMSG_PUT(skb, pid, seq, t, size);
nlh->nlmsg_flags = flags;
data = NLMSG_DATA(nlh);
nlh = NLMSG_NEW(skb, pid, seq, t, size, flags);
data = NLMSG_DATA(nlh);
memcpy(data, payload, size);
return skb;
nlmsg_failure: /* Used by NLMSG_PUT */
nlmsg_failure: /* Used by NLMSG_NEW */
if (skb)
kfree_skb(skb);
return NULL;
@ -1083,18 +1081,20 @@ static struct audit_buffer * audit_buffer_alloc(struct audit_context *ctx,
goto err;
}
ab->skb = alloc_skb(AUDIT_BUFSIZ, gfp_mask);
if (!ab->skb)
goto err;
ab->ctx = ctx;
ab->gfp_mask = gfp_mask;
nlh = (struct nlmsghdr *)skb_put(ab->skb, NLMSG_SPACE(0));
nlh->nlmsg_type = type;
nlh->nlmsg_flags = 0;
nlh->nlmsg_pid = 0;
nlh->nlmsg_seq = 0;
ab->skb = nlmsg_new(AUDIT_BUFSIZ, gfp_mask);
if (!ab->skb)
goto nlmsg_failure;
nlh = NLMSG_NEW(ab->skb, 0, 0, type, 0, 0);
return ab;
nlmsg_failure: /* Used by NLMSG_NEW */
kfree_skb(ab->skb);
ab->skb = NULL;
err:
audit_buffer_free(ab);
return NULL;