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Subject[PATCH review 44/85] sunrpc: Use uid_eq and gid_eq where appropriate
From: "Eric W. Biederman" <ebiederm@xmission.com>

When comparing uids use uid_eq instead of ==.
When comparing gids use gid_eq instead of ==.

And unfortunate cost of type safety.

Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---
net/sunrpc/auth_generic.c | 8 ++++----
net/sunrpc/auth_gss/auth_gss.c | 4 ++--
net/sunrpc/auth_unix.c | 2 +-
net/sunrpc/svcauth_unix.c | 2 +-
4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c
index 9d2e0b0..bff3e47 100644
--- a/net/sunrpc/auth_generic.c
+++ b/net/sunrpc/auth_generic.c
@@ -129,8 +129,8 @@ machine_cred_match(struct auth_cred *acred, struct generic_cred *gcred, int flag
{
if (!gcred->acred.machine_cred ||
gcred->acred.principal != acred->principal ||
- gcred->acred.uid != acred->uid ||
- gcred->acred.gid != acred->gid)
+ !uid_eq(gcred->acred.uid, acred->uid) ||
+ !gid_eq(gcred->acred.gid, acred->gid))
return 0;
return 1;
}
@@ -147,8 +147,8 @@ generic_match(struct auth_cred *acred, struct rpc_cred *cred, int flags)
if (acred->machine_cred)
return machine_cred_match(acred, gcred, flags);

- if (gcred->acred.uid != acred->uid ||
- gcred->acred.gid != acred->gid ||
+ if (!uid_eq(gcred->acred.uid, acred->uid) ||
+ !gid_eq(gcred->acred.gid, acred->gid) ||
gcred->acred.machine_cred != 0)
goto out_nomatch;

diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 4daab81..1b8b3e4 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -307,7 +307,7 @@ __gss_find_upcall(struct rpc_pipe *pipe, kuid_t uid)
{
struct gss_upcall_msg *pos;
list_for_each_entry(pos, &pipe->in_downcall, list) {
- if (pos->uid != uid)
+ if (!uid_eq(pos->uid, uid))
continue;
atomic_inc(&pos->count);
dprintk("RPC: %s found msg %p\n", __func__, pos);
@@ -1115,7 +1115,7 @@ out:
}
if (gss_cred->gc_principal != NULL)
return 0;
- return rc->cr_uid == acred->uid;
+ return uid_eq(rc->cr_uid, acred->uid);
}

/*
diff --git a/net/sunrpc/auth_unix.c b/net/sunrpc/auth_unix.c
index 372d915..8365a9c 100644
--- a/net/sunrpc/auth_unix.c
+++ b/net/sunrpc/auth_unix.c
@@ -123,7 +123,7 @@ unx_match(struct auth_cred *acred, struct rpc_cred *rcred, int flags)
unsigned int i;


- if (cred->uc_uid != acred->uid || cred->uc_gid != acred->gid)
+ if (!uid_eq(cred->uc_uid, acred->uid) || !gid_eq(cred->uc_gid, acred->gid))
return 0;

if (acred->group_info != NULL)
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index caae662..92166b5 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -433,7 +433,7 @@ static int unix_gid_match(struct cache_head *corig, struct cache_head *cnew)
{
struct unix_gid *orig = container_of(corig, struct unix_gid, h);
struct unix_gid *new = container_of(cnew, struct unix_gid, h);
- return orig->uid == new->uid;
+ return uid_eq(orig->uid, new->uid);
}
static void unix_gid_init(struct cache_head *cnew, struct cache_head *citem)
{
--
1.7.5.4


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