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[37.11.77.208]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b76fcb83dcsm1259849f8f.58.2025.07.24.00.33.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Jul 2025 00:33:44 -0700 (PDT) From: =?UTF-8?q?Miguel=20Garc=C3=ADa?= To: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org, robh@kernel.org, saravanak@google.com, skhan@linuxfoundation.org, =?UTF-8?q?Miguel=20Garc=C3=ADa?= Subject: [PATCH] of: replace deprecated strcpy() with strscpy() Date: Thu, 24 Jul 2025 09:33:41 +0200 Message-Id: <20250724073341.27258-1-miguelgarciaroman8@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable strcpy() is deprecated for NUL-terminated strings. Replace the uses in overlay.c and pdt.c with strscpy(), using the known buffer sizes: - new_prop->value (length in new_prop->length) - local arrays in pdt.c Signed-off-by: Miguel Garc=C3=ADa --- drivers/of/overlay.c | 5 +++-- drivers/of/pdt.c | 4 ++-- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c index 1af6f52d0708..b11e1d045c9a 100644 --- a/drivers/of/overlay.c +++ b/drivers/of/overlay.c @@ -258,8 +258,9 @@ static struct property *dup_and_fixup_symbol_prop( if (!new_prop->name || !new_prop->value) goto err_free_new_prop; =20 - strcpy(new_prop->value, target_path); - strcpy(new_prop->value + target_path_len, path_tail); + strscpy(new_prop->value, target_path, new_prop->length); + strscpy(new_prop->value + target_path_len, path_tail, + new_prop->length - target_path_len); =20 of_property_set_flag(new_prop, OF_DYNAMIC); =20 diff --git a/drivers/of/pdt.c b/drivers/of/pdt.c index cb0cb374b21f..1337ac4e8e80 100644 --- a/drivers/of/pdt.c +++ b/drivers/of/pdt.c @@ -51,7 +51,7 @@ static char * __init of_pdt_build_full_name(struct device= _node *dp) if (!of_pdt_prom_ops->pkg2path(dp->phandle, path, sizeof(path), &len)) { name =3D kbasename(path); buf =3D prom_early_alloc(strlen(name) + 1); - strcpy(buf, name); + strscpy(buf, name, sizeof(buf)); return buf; } =20 @@ -84,7 +84,7 @@ static struct property * __init of_pdt_build_one_prop(pha= ndle node, char *prev, =20 p->name =3D (char *) (p + 1); if (special_name) { - strcpy(p->name, special_name); + strscpy(p->name, special_name, sizeof(p->name)); p->length =3D special_len; p->value =3D prom_early_alloc(special_len); memcpy(p->value, special_val, special_len); --=20 2.34.1