From db9a58f48c6eae16fbfcd89d59b09e123dbed54f Mon Sep 17 00:00:00 2001
From: "Luke T. Shumaker" <lukeshu@lukeshu.com>
Date: Tue, 15 Apr 2025 15:58:31 -0600
Subject: libmisc: Add alloc.h to help detect wrong alloc sizes

Lo and behold, there was a mistake in chan.c.
---
 lib9p/srv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib9p/srv.c')

diff --git a/lib9p/srv.c b/lib9p/srv.c
index 5c50130..a681952 100644
--- a/lib9p/srv.c
+++ b/lib9p/srv.c
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
-#include <alloca.h>
 #include <inttypes.h> /* for PRI* */
 #include <limits.h>   /* for SSIZE_MAX, not set by newlib */
 #include <stddef.h>   /* for size_t */
@@ -17,6 +16,7 @@
 #include <libcr/coroutine.h>
 #include <libcr_ipc/chan.h>
 #include <libcr_ipc/mutex.h>
+#include <libmisc/alloc.h>
 #include <libmisc/assert.h>
 #include <libmisc/endian.h>
 #include <libmisc/map.h>
@@ -739,7 +739,7 @@ static void handle_Tversion(struct srv_req *ctx,
 	if (map_len(&ctx->parent_sess->reqs)) {
 		/* Flush all in-progress requests, and wait for them
 		 * to finish.  */
-		struct cr_select_arg *list = alloca(sizeof(struct cr_select_arg) * map_len(&ctx->parent_sess->reqs));
+		struct cr_select_arg *list = stack_alloc(map_len(&ctx->parent_sess->reqs), struct cr_select_arg);
 		while (map_len(&ctx->parent_sess->reqs)) {
 			size_t i = 0;
 			bool flushed;
-- 
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