1 files changed, 10 insertions, 0 deletions
diff --git a/lib9p/9p.c b/lib9p/9p.c
index 832ae82..a008ccc 100644
--- a/lib9p/9p.c
+++ b/lib9p/9p.c
@@ -18,7 +18,13 @@ int lib9p_error(struct lib9p_ctx *ctx, uint32_t linux_errno, char const *msg) {
 		return -1;
 	strncpy(ctx->err_msg, msg, sizeof(ctx->err_msg));
 	ctx->err_msg[sizeof(ctx->err_msg)-1] = '\0';
+
+#ifdef CONFIG_9P_ENABLE_9P2000_u
 	ctx->err_num = linux_errno;
+#else
+	(void)(linux_errno);
+#endif
+
 	return -1;
 }
 
@@ -34,7 +40,11 @@ int lib9p_errorf(struct lib9p_ctx *ctx, uint32_t linux_errno, char const *fmt, .
 	if ((size_t)(n+1) < sizeof(ctx->err_msg))
 		memset(&ctx->err_msg[n+1], 0, sizeof(ctx->err_msg)-(n+1));
 
+#ifdef CONFIG_9P_ENABLE_9P2000_u
 	ctx->err_num = linux_errno;
+#else
+	(void)(linux_errno);
+#endif
 
 	return -1;
 }