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Subject[PATCH] Fix for possible null pointer dereference in auth.c
Date
There is otherwise a risk of a possible null pointer dereference.

Was largely found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
---
net/sunrpc/auth.c | 10 +++++++---
1 fil ändrad, 7 tillägg(+), 3 borttagningar(-)

diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 5285ead..3a55698 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -801,10 +801,14 @@ rpcauth_invalcred(struct rpc_task *task)
{
struct rpc_cred *cred = task->tk_rqstp->rq_cred;

- dprintk("RPC: %5u invalidating %s cred %p\n",
- task->tk_pid, cred->cr_auth->au_ops->au_name, cred);
- if (cred)
+ if (cred) {
+ dprintk("RPC: %5u invalidating %s cred %p\n",
+ task->tk_pid, cred->cr_auth->au_ops->au_name, cred);
+
clear_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags);
+ }
+ else
+ dprintk("RPC: %5u invalidating is NULL\n", task->tk_pid);
}

int
--
1.7.10.4
--
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