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-rw-r--r--fs/nfs/nfs4xdr.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 0c26bb2d43d9..8255ec7079d4 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -2441,14 +2441,18 @@ static int nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, uint32_t *p,
2441#define READ_BUF(nbytes) do { \ 2441#define READ_BUF(nbytes) do { \
2442 p = xdr_inline_decode(xdr, nbytes); \ 2442 p = xdr_inline_decode(xdr, nbytes); \
2443 if (unlikely(!p)) { \ 2443 if (unlikely(!p)) { \
2444 dprintk("nfs: %s: prematurely hit end of receive" \ 2444 print_overflow_msg(__func__, xdr); \
2445 " buffer\n", __func__); \
2446 dprintk("nfs: %s: xdr->p=%p, bytes=%u, xdr->end=%p\n", \
2447 __func__, xdr->p, nbytes, xdr->end); \
2448 return -EIO; \ 2445 return -EIO; \
2449 } \ 2446 } \
2450} while (0) 2447} while (0)
2451 2448
2449static void print_overflow_msg(const char *func, const struct xdr_stream *xdr)
2450{
2451 dprintk("nfs: %s: prematurely hit end of receive buffer. "
2452 "Remaining buffer length is %tu words.\n",
2453 func, xdr->end - xdr->p);
2454}
2455
2452static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) 2456static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string)
2453{ 2457{
2454 __be32 *p; 2458 __be32 *p;