[PATCH] knfsd: Avoid excess stack usage in svc_tcp_recvfrom

[deliverable/linux.git] / fs / nfsd / nfsxdr.c

diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c
index ad2fba3c54f8af46e05dfecf7378f4515c45e6ba..ab6745e78d16d4cb6dff67796d8a78e59999cd61 100644 (file)
--- a/fs/nfsd/nfsxdr.c
+++ b/fs/nfsd/nfsxdr.c
@@ -263,9 +263,9 @@ nfssvc_decode_readargs(struct svc_rqst *rqstp, u32 *p,
        v=0;
        while (len > 0) {
                pn = rqstp->rq_resused++;
-               args->vec[v].iov_base = page_address(rqstp->rq_respages[pn]);
-               args->vec[v].iov_len = len < PAGE_SIZE?len:PAGE_SIZE;
-               len -= args->vec[v].iov_len;
+               rqstp->rq_vec[v].iov_base = page_address(rqstp->rq_respages[pn]);
+               rqstp->rq_vec[v].iov_len = len < PAGE_SIZE?len:PAGE_SIZE;
+               len -= rqstp->rq_vec[v].iov_len;
                v++;
        }
        args->vlen = v;
@@ -285,21 +285,21 @@ nfssvc_decode_writeargs(struct svc_rqst *rqstp, u32 *p,
        args->offset = ntohl(*p++);     /* offset */
        p++;                            /* totalcount */
        len = args->len = ntohl(*p++);
-       args->vec[0].iov_base = (void*)p;
-       args->vec[0].iov_len = rqstp->rq_arg.head[0].iov_len -
+       rqstp->rq_vec[0].iov_base = (void*)p;
+       rqstp->rq_vec[0].iov_len = rqstp->rq_arg.head[0].iov_len -
                                (((void*)p) - rqstp->rq_arg.head[0].iov_base);
        if (len > NFSSVC_MAXBLKSIZE)
                len = NFSSVC_MAXBLKSIZE;
        v = 0;
-       while (len > args->vec[v].iov_len) {
-               len -= args->vec[v].iov_len;
+       while (len > rqstp->rq_vec[v].iov_len) {
+               len -= rqstp->rq_vec[v].iov_len;
                v++;
-               args->vec[v].iov_base = page_address(rqstp->rq_pages[v]);
-               args->vec[v].iov_len = PAGE_SIZE;
+               rqstp->rq_vec[v].iov_base = page_address(rqstp->rq_pages[v]);
+               rqstp->rq_vec[v].iov_len = PAGE_SIZE;
        }
-       args->vec[v].iov_len = len;
+       rqstp->rq_vec[v].iov_len = len;
        args->vlen = v+1;
-       return args->vec[0].iov_len > 0;
+       return rqstp->rq_vec[0].iov_len > 0;
 }
 
 int