From 124690270d8ca89276401fe08a6e136922f54576 Mon Sep 17 00:00:00 2001
From: shuhua hua <huangshuhua@kylinos.cn>
Date: Fri, 25 Sep 2026 02:05:33 +0000
Subject: [PATCH] shell: flashdev: close fds on allocation failure

---
 cpukit/libmisc/shell/main_flashdev.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/cpukit/libmisc/shell/main_flashdev.c b/cpukit/libmisc/shell/main_flashdev.c
index 3933e718e5..d55ffae89a 100644
--- a/cpukit/libmisc/shell/main_flashdev.c
+++ b/cpukit/libmisc/shell/main_flashdev.c
@@ -312,7 +312,12 @@ int flashdev_shell_write(
 
   /* Create buffer */
   buffer = calloc(1, 0x1000);
-
+  if (buffer == NULL) {
+    close(flash);
+    close(file);
+    printf("Failed to allocate write buffer\n");
+    return -1;
+  }
   /* Write file to flash device in 0x1000 byte chunks */
   offset = 0;
   while (offset != length) {