public inbox for linux-block@vger.kernel.org
 help / color / mirror / Atom feed
From: Thorsten Blum <thorsten.blum@linux.dev>
To: Jens Axboe <axboe@kernel.dk>
Cc: Thorsten Blum <thorsten.blum@linux.dev>,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] block: Replace snprintf with strscpy in check_partition
Date: Tue, 27 Jan 2026 23:47:01 +0100	[thread overview]
Message-ID: <20260127224704.440877-1-thorsten.blum@linux.dev> (raw)

Replace snprintf("%s", ...) with the faster and more direct strscpy().

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
 block/partitions/core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/block/partitions/core.c b/block/partitions/core.c
index 815ed33caa1b..079057ab535a 100644
--- a/block/partitions/core.c
+++ b/block/partitions/core.c
@@ -7,6 +7,7 @@
 #include <linux/fs.h>
 #include <linux/major.h>
 #include <linux/slab.h>
+#include <linux/string.h>
 #include <linux/ctype.h>
 #include <linux/vmalloc.h>
 #include <linux/raid/detect.h>
@@ -130,7 +131,7 @@ static struct parsed_partitions *check_partition(struct gendisk *hd)
 	state->pp_buf[0] = '\0';
 
 	state->disk = hd;
-	snprintf(state->name, BDEVNAME_SIZE, "%s", hd->disk_name);
+	strscpy(state->name, hd->disk_name);
 	snprintf(state->pp_buf, PAGE_SIZE, " %s:", state->name);
 	if (isdigit(state->name[strlen(state->name)-1]))
 		sprintf(state->name, "p");
-- 
Thorsten Blum <thorsten.blum@linux.dev>
GPG: 1D60 735E 8AEF 3BE4 73B6  9D84 7336 78FD 8DFE EAD4


             reply	other threads:[~2026-01-27 22:47 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-27 22:47 Thorsten Blum [this message]
2026-01-28 12:28 ` [PATCH] block: Replace snprintf with strscpy in check_partition Jens Axboe

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260127224704.440877-1-thorsten.blum@linux.dev \
    --to=thorsten.blum@linux.dev \
    --cc=axboe@kernel.dk \
    --cc=linux-block@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox