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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-kernel@vger.kernel.org Subject: [PATCH net-next] net: dsa: yt921x: Fix missing type casting to u64 Date: Fri, 24 Oct 2025 16:49:13 +0800 Message-ID: <20251024084918.1353031-1-mmyangfl@gmail.com> X-Mailer: git-send-email 2.51.0 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" Reported by the following Smatch static checker warning: drivers/net/dsa/yt921x.c:702 yt921x_read_mib() warn: was expecting a 64 bit value instead of '(~0)' Reported-by: Dan Carpenter Closes: https://lore.kernel.org/netdev/aPsjYKQMzpY0nSXm@stanley.mountain/ Signed-off-by: David Yang --- drivers/net/dsa/yt921x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/dsa/yt921x.c b/drivers/net/dsa/yt921x.c index ab762ffc4661..8baed8107512 100644 --- a/drivers/net/dsa/yt921x.c +++ b/drivers/net/dsa/yt921x.c @@ -699,7 +699,7 @@ static int yt921x_read_mib(struct yt921x_priv *priv, in= t port) if (val < (u32)val) /* overflow */ val +=3D (u64)U32_MAX + 1; - val &=3D ~U32_MAX; + val &=3D ~(u64)U32_MAX; val |=3D val0; } else { res =3D yt921x_reg_read(priv, reg + 4, &val1); --=20 2.51.0