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-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 4d7eb9e704da..d51e316c5821 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -1122,18 +1122,20 @@ svcauth_gss_release(struct svc_rqst *rqstp)
1122 integ_len)) 1122 integ_len))
1123 BUG(); 1123 BUG();
1124 if (resbuf->page_len == 0 1124 if (resbuf->page_len == 0
1125 && resbuf->tail[0].iov_len + RPC_MAX_AUTH_SIZE 1125 && resbuf->head[0].iov_len + RPC_MAX_AUTH_SIZE
1126 < PAGE_SIZE) { 1126 < PAGE_SIZE) {
1127 BUG_ON(resbuf->tail[0].iov_len); 1127 BUG_ON(resbuf->tail[0].iov_len);
1128 /* Use head for everything */ 1128 /* Use head for everything */
1129 resv = &resbuf->head[0]; 1129 resv = &resbuf->head[0];
1130 } else if (resbuf->tail[0].iov_base == NULL) { 1130 } else if (resbuf->tail[0].iov_base == NULL) {
1131 /* copied from nfsd4_encode_read */ 1131 if (resbuf->head[0].iov_len + RPC_MAX_AUTH_SIZE
1132 svc_take_page(rqstp); 1132 > PAGE_SIZE)
1133 resbuf->tail[0].iov_base = page_address(rqstp 1133 goto out_err;
1134 ->rq_respages[rqstp->rq_resused-1]); 1134 resbuf->tail[0].iov_base =
1135 rqstp->rq_restailpage = rqstp->rq_resused-1; 1135 resbuf->head[0].iov_base
1136 + resbuf->head[0].iov_len;
1136 resbuf->tail[0].iov_len = 0; 1137 resbuf->tail[0].iov_len = 0;
1138 rqstp->rq_restailpage = 0;
1137 resv = &resbuf->tail[0]; 1139 resv = &resbuf->tail[0];
1138 } else { 1140 } else {
1139 resv = &resbuf->tail[0]; 1141 resv = &resbuf->tail[0];