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| author |   David S. Miller <davem@davemloft.net> | 2008-11-20 16:44:00 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-20 16:44:00 -0800 |
| commit | 6ab33d51713d6d60c7677c0d020910a8cb37e513 (patch) | |
| tree | 546c2ff099b2757e75cf34ddace874f1220f740e /net/sunrpc | |
| parent | netdevice wanrouter: Convert directly reference of netdev->priv (diff) | |
| parent | Linux 2.6.28-rc6 (diff) | |
| download | linux-dev-6ab33d51713d6d60c7677c0d020910a8cb37e513.tar.xz linux-dev-6ab33d51713d6d60c7677c0d020910a8cb37e513.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/ixgbe/ixgbe_main.c
include/net/mac80211.h
net/phonet/af_phonet.c
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/auth_generic.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c index 744b79fdcb19..4028502f0528 100644 --- a/net/sunrpc/auth_generic.c +++ b/net/sunrpc/auth_generic.c @@ -133,13 +133,29 @@ static int generic_match(struct auth_cred *acred, struct rpc_cred *cred, int flags) { struct generic_cred *gcred = container_of(cred, struct generic_cred, gc_base); + int i; if (gcred->acred.uid != acred->uid || gcred->acred.gid != acred->gid || - gcred->acred.group_info != acred->group_info || gcred->acred.machine_cred != acred->machine_cred) - return 0; + goto out_nomatch; + + /* Optimisation in the case where pointers are identical... */ + if (gcred->acred.group_info == acred->group_info) + goto out_match; + + /* Slow path... */ + if (gcred->acred.group_info->ngroups != acred->group_info->ngroups) + goto out_nomatch; + for (i = 0; i < gcred->acred.group_info->ngroups; i++) { + if (GROUP_AT(gcred->acred.group_info, i) != + GROUP_AT(acred->group_info, i)) + goto out_nomatch; + } +out_match: return 1; +out_nomatch: + return 0; } void __init rpc_init_generic_auth(void) |