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[46.125.137.238]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-488a91686f9sm204931415e9.10.2026.04.06.10.26.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Apr 2026 10:26:29 -0700 (PDT) From: Stefan Pedratscher To: geert@linux-m68k.org Cc: linux-m68k@lists.linux-m68k.org, linux-kernel@vger.kernel.org, Stefan Pedratscher Subject: [PATCH] zorro: sysfs: replace sprintf with sysfs_emit Date: Mon, 6 Apr 2026 19:25:12 +0200 Message-Id: <20260406172512.6693-1-pedratscher.stefan@gmail.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Convert sysfs show functions from sprintf to sysfs_emit as recommended by Documentation/filesystems/sysfs.rst. This ensures proper buffer handling and avoids potential buffer overflows. Signed-off-by: Stefan Pedratscher Reviewed-by: Geert Uytterhoeven Tested-by: Daniel Palmer --- drivers/zorro/zorro-sysfs.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/drivers/zorro/zorro-sysfs.c b/drivers/zorro/zorro-sysfs.c index 4e967754d8ad..f9a9bcb59e62 100644 --- a/drivers/zorro/zorro-sysfs.c +++ b/drivers/zorro/zorro-sysfs.c @@ -15,6 +15,7 @@ #include #include #include +#include =20 #include =20 @@ -29,7 +30,7 @@ static ssize_t name##_show(struct device *dev, \ struct zorro_dev *z; \ \ z =3D to_zorro_dev(dev); \ - return sprintf(buf, format_string, z->field); \ + return sysfs_emit(buf, format_string, z->field); \ } \ static DEVICE_ATTR_RO(name); =20 @@ -44,7 +45,7 @@ static ssize_t serial_show(struct device *dev, struct dev= ice_attribute *attr, struct zorro_dev *z; =20 z =3D to_zorro_dev(dev); - return sprintf(buf, "0x%08x\n", be32_to_cpu(z->rom.er_SerialNumber)); + return sysfs_emit(buf, "0x%08x\n", be32_to_cpu(z->rom.er_SerialNumber)); } static DEVICE_ATTR_RO(serial); =20 @@ -53,10 +54,10 @@ static ssize_t resource_show(struct device *dev, struct= device_attribute *attr, { struct zorro_dev *z =3D to_zorro_dev(dev); =20 - return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n", - (unsigned long)zorro_resource_start(z), - (unsigned long)zorro_resource_end(z), - zorro_resource_flags(z)); + return sysfs_emit(buf, "0x%08lx 0x%08lx 0x%08lx\n", + (unsigned long)zorro_resource_start(z), + (unsigned long)zorro_resource_end(z), + zorro_resource_flags(z)); } static DEVICE_ATTR_RO(resource); =20 @@ -65,7 +66,7 @@ static ssize_t modalias_show(struct device *dev, struct d= evice_attribute *attr, { struct zorro_dev *z =3D to_zorro_dev(dev); =20 - return sprintf(buf, ZORRO_DEVICE_MODALIAS_FMT "\n", z->id); + return sysfs_emit(buf, ZORRO_DEVICE_MODALIAS_FMT "\n", z->id); } static DEVICE_ATTR_RO(modalias); =20 --=20 2.25.1