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Wed, 26 Nov 2025 12:33:01 -0800 (PST) Received: from Lewboski.localdomain ([181.191.143.230]) by smtp.gmail.com with ESMTPSA id ada2fe7eead31-5e1bd9687b0sm8112832137.6.2025.11.26.12.32.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Nov 2025 12:33:00 -0800 (PST) From: Tomas Borquez To: jic23@kernel.org Cc: andy@kernel.org, andriy.shevchenko@intel.com, dlechner@baylibre.com, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, nuno.sa@analog.com, Tomas Borquez Subject: [PATCH v3] iio: isl29018.c: replace sprintf with safer alternatives Date: Wed, 26 Nov 2025 17:32:40 -0300 Message-ID: <20251126203240.13466-1-tomasborquez13@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251126172432.5532-1-tomasborquez13@gmail.com> References: <20251126172432.5532-1-tomasborquez13@gmail.com> 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" This patch replaces sprintf() with sysfs_emit() and sysfs_emit_at() safer a= lternative with no functional changes. Signed-off-by: Tomas Borquez Reviewed-by: Andy Shevchenko --- V2: - Fixed recipient list to include all reviewers (no code changes) V3: - Improved patch description and fixed indentation drivers/iio/light/isl29018.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/iio/light/isl29018.c b/drivers/iio/light/isl29018.c index 1b4c184230..b6ab726d1d 100644 --- a/drivers/iio/light/isl29018.c +++ b/drivers/iio/light/isl29018.c @@ -273,9 +273,9 @@ static ssize_t in_illuminance_scale_available_show =20 mutex_lock(&chip->lock); for (i =3D 0; i < ARRAY_SIZE(isl29018_scales[chip->int_time]); ++i) - len +=3D sprintf(buf + len, "%d.%06d ", - isl29018_scales[chip->int_time][i].scale, - isl29018_scales[chip->int_time][i].uscale); + len +=3D sysfs_emit_at(buf, len, "%d.%06d ", + isl29018_scales[chip->int_time][i].scale, + isl29018_scales[chip->int_time][i].uscale); mutex_unlock(&chip->lock); =20 buf[len - 1] =3D '\n'; @@ -293,8 +293,8 @@ static ssize_t in_illuminance_integration_time_availabl= e_show int len =3D 0; =20 for (i =3D 0; i < ARRAY_SIZE(isl29018_int_utimes[chip->type]); ++i) - len +=3D sprintf(buf + len, "0.%06d ", - isl29018_int_utimes[chip->type][i]); + len +=3D sysfs_emit_at(buf, len, "0.%06d ", + isl29018_int_utimes[chip->type][i]); =20 buf[len - 1] =3D '\n'; =20 @@ -330,7 +330,7 @@ static ssize_t proximity_on_chip_ambient_infrared_suppr= ession_show * Return the "proximity scheme" i.e. if the chip does on chip * infrared suppression (1 means perform on chip suppression) */ - return sprintf(buf, "%d\n", chip->prox_scheme); + return sysfs_emit(buf, "%d\n", chip->prox_scheme); } =20 static ssize_t proximity_on_chip_ambient_infrared_suppression_store --=20 2.43.0