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sunrpc: mark all struct rpc_procinfo instances as const

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struct rpc_procinfo contains function pointers, and marking it as
constant avoids it being able to be used as an attach vector for
code injections.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Christoph Hellwig
2017-05-12 15:36:49 +02:00
parent f700c72dd2
commit 499b498810
16 changed files with 31 additions and 30 deletions
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4
net/sunrpc/clnt.c
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@ -1674,7 +1674,7 @@ call_allocate(struct rpc_task *task)
unsigned int slack = task->tk_rqstp->rq_cred->cr_auth->au_cslack;
struct rpc_rqst *req = task->tk_rqstp;
struct rpc_xprt *xprt = req->rq_xprt;
struct rpc_procinfo *proc = task->tk_msg.rpc_proc;
const struct rpc_procinfo *proc = task->tk_msg.rpc_proc;
int status;
dprint_status(task);
@ -2489,7 +2489,7 @@ static int rpcproc_decode_null(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
return 0;
}
static struct rpc_procinfo rpcproc_null = {
static const struct rpc_procinfo rpcproc_null = {
.p_encode = rpcproc_encode_null,
.p_decode = rpcproc_decode_null,
};