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| author | Eric Paris <eparis@redhat.com> | 2009-06-11 14:31:35 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-06-23 23:50:39 -0400 |
| commit | ee080e6ce93d5993390bccf68c1df5efd9351276 (patch) | |
| tree | 6554d820c773f3ace97fdb1ae5defa43cbc83e05 | |
| parent | 038cbcf65fd6a30c79e3917690b8c46321a27915 (diff) | |
| download | linux-3.10-ee080e6ce93d5993390bccf68c1df5efd9351276.tar.gz linux-3.10-ee080e6ce93d5993390bccf68c1df5efd9351276.tar.bz2 linux-3.10-ee080e6ce93d5993390bccf68c1df5efd9351276.zip | |
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>
| -rw-r--r-- | kernel/audit.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/kernel/audit.c b/kernel/audit.c index f7ab4a479cd..01082a1d2bc 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -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; |