linux-kernel - [PATCH v2 4/4] kexec_file: Fix the issue of mismatch between loop variable types

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Message-Id: <20251103063440.1681657-5-maqianga@uniontech.com>
Date: Mon,  3 Nov 2025 14:34:40 +0800
From: Qiang Ma <maqianga@...ontech.com>
To: akpm@...ux-foundation.org,
	bhe@...hat.com
Cc: kexec@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Qiang Ma <maqianga@...ontech.com>
Subject: [PATCH v2 4/4] kexec_file: Fix the issue of mismatch between loop variable types

The type of the struct kimage member variable nr_segments is unsigned long.
Correct the loop variable i and the print format specifier type.

Signed-off-by: Qiang Ma <maqianga@...ontech.com>
---
 kernel/kexec_file.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c
index 4a24aadbad02..7afdaa0efc50 100644
--- a/kernel/kexec_file.c
+++ b/kernel/kexec_file.c
@@ -366,7 +366,8 @@ SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd,
 	int image_type = (flags & KEXEC_FILE_ON_CRASH) ?
 			 KEXEC_TYPE_CRASH : KEXEC_TYPE_DEFAULT;
 	struct kimage **dest_image, *image;
-	int ret = 0, i;
+	int ret = 0;
+	unsigned long i;
 
 	/* We only trust the superuser with rebooting the system. */
 	if (!kexec_load_permitted(image_type))
@@ -432,7 +433,7 @@ SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd,
 		struct kexec_segment *ksegment;
 
 		ksegment = &image->segment[i];
-		kexec_dprintk("segment[%d]: buf=0x%p bufsz=0x%zx mem=0x%lx memsz=0x%zx\n",
+		kexec_dprintk("segment[%lu]: buf=0x%p bufsz=0x%zx mem=0x%lx memsz=0x%zx\n",
 			      i, ksegment->buf, ksegment->bufsz, ksegment->mem,
 			      ksegment->memsz);
 
-- 
2.20.1