linux-kernel - [PATCH] block: fix type for printf argument

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Message-Id: <20260102144921.656362-1-ben.dooks@codethink.co.uk>
Date: Fri,  2 Jan 2026 14:49:21 +0000
From: Ben Dooks <ben.dooks@...ethink.co.uk>
To: linux-kernel@...r.kernel.org,
	linux-block@...r.kernel.org
Cc: Jens Axboe <axboe@...nel.dk>,
	Ben Dooks <ben.dooks@...ethink.co.uk>
Subject: [PATCH] block: fix type for printf argument

When making the block-%d id, the type should be %u. Fixes:

block/bio.c:92:62: warning: incorrect type in argument 4 (different types)
block/bio.c:92:62:    expected int
block/bio.c:92:62:    got unsigned int size

Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>
---
 block/bio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/bio.c b/block/bio.c
index b3a79285c278..198b966d71b8 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -89,7 +89,7 @@ static struct bio_slab *create_bio_slab(unsigned int size)
 	if (!bslab)
 		return NULL;
 
-	snprintf(bslab->name, sizeof(bslab->name), "bio-%d", size);
+	snprintf(bslab->name, sizeof(bslab->name), "bio-%u", size);
 	bslab->slab = kmem_cache_create(bslab->name, size,
 			ARCH_KMALLOC_MINALIGN,
 			SLAB_HWCACHE_ALIGN | SLAB_TYPESAFE_BY_RCU, NULL);
-- 
2.37.2.352.g3c44437643