Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
include/linux/sunrpc/auth.h | 3 ++-
net/sunrpc/auth.c | 5 +++--
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h
index 6a241a277249..c99fe999d0a8 100644
--- a/include/linux/sunrpc/auth.h
+++ b/include/linux/sunrpc/auth.h
@@ -201,7 +201,8 @@ char * rpcauth_stringify_acceptor(struct rpc_cred *);
static inline
struct rpc_cred * get_rpccred(struct rpc_cred *cred)
{
- atomic_inc(&cred->cr_count);
+ if (cred != NULL)
+ atomic_inc(&cred->cr_count);
return cred;
}
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 02f53674dc39..c2cf04bf609f 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -703,8 +703,7 @@ rpcauth_bindcred(struct rpc_task *task, struct rpc_cred *cred, int flags)
new = rpcauth_bind_new_cred(task, lookupflags);
if (IS_ERR(new))
return PTR_ERR(new);
- if (req->rq_cred != NULL)
- put_rpccred(req->rq_cred);
+ put_rpccred(req->rq_cred);
req->rq_cred = new;
return 0;
}
@@ -712,6 +711,8 @@ rpcauth_bindcred(struct rpc_task *task, struct rpc_cred *cred, int flags)
void
put_rpccred(struct rpc_cred *cred)
{
+ if (cred == NULL)
+ return;
/* Fast path for unhashed credentials */
if (test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) == 0) {
if (atomic_dec_and_test(&cred->cr_count))
--
2.5.5
--
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