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-rw-r--r--net/sunrpc/auth_gss/auth_gss.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index f7a7f8380e38..0cfccc2a0297 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -206,8 +206,14 @@ gss_fill_context(const void *p, const void *end, struct gss_cl_ctx *ctx, struct
206 ctx->gc_win = window_size; 206 ctx->gc_win = window_size;
207 /* gssd signals an error by passing ctx->gc_win = 0: */ 207 /* gssd signals an error by passing ctx->gc_win = 0: */
208 if (ctx->gc_win == 0) { 208 if (ctx->gc_win == 0) {
209 /* in which case, p points to an error code which we ignore */ 209 /*
210 p = ERR_PTR(-EACCES); 210 * in which case, p points to an error code. Anything other
211 * than -EKEYEXPIRED gets converted to -EACCES.
212 */
213 p = simple_get_bytes(p, end, &ret, sizeof(ret));
214 if (!IS_ERR(p))
215 p = (ret == -EKEYEXPIRED) ? ERR_PTR(-EKEYEXPIRED) :
216 ERR_PTR(-EACCES);
211 goto err; 217 goto err;
212 } 218 }
213 /* copy the opaque wire context */ 219 /* copy the opaque wire context */
@@ -646,6 +652,7 @@ gss_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
646 err = PTR_ERR(p); 652 err = PTR_ERR(p);
647 switch (err) { 653 switch (err) {
648 case -EACCES: 654 case -EACCES:
655 case -EKEYEXPIRED:
649 gss_msg->msg.errno = err; 656 gss_msg->msg.errno = err;
650 err = mlen; 657 err = mlen;
651 break; 658 break;