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Sun, 06 Jul 2025 18:25:28 +0200 From: Len Bao To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: Len Bao , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/dp: Remove dead code after return statement Date: Sun, 6 Jul 2025 16:24:24 +0000 Message-ID: <20250706162431.15029-1-len.bao@gmx.us> X-Mailer: git-send-email 2.43.0 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 X-Provags-ID: V03:K1:RHlu5KZ7dEWVmI+L0jb/2dxeZ51aOYx3Brk+XhbyCMuwuwsua2h DgkxHsngZTUS52ALRcoOZFnT4ytpYCwQENJe792NnO4iOvV+LyGl4luw1xqPjO1gTPWlCS2 vpx5nN0hHhIhxtmdljC13yj1kZ3yi/JX48gc5qBfxVEKIN4lWydB9XauZHkTjggB56k4oqt rW0DJjtkx1+pn8jstWsbA== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:OqNaUK7HVCA=;r5jFjER/zgYasbYrUZE74jzmP4v y6WAT7z0X/QNOyw0x8jhbfmfSuq4GIKOVVCMYkRtylpmwZK5L4gI/iFbPVj5XjkPGz0EjbgW3 F+AHzW+RwyLzoQNCBzXBTtbQPGuSDWqGYlS1i+BAr2L9FE1WW0QFmCCERiwtrny6x7KP6vADv UjEQHTMtiHrD/+XbzZnh26Gp+mUZ9uBRfTNYfP+F/4eU9m7WoWVblriH/hJqfVKX5zoIWbfN8 ipxmW+AGShU+jK8zkkh2d3kII+U9tIZ4pfFeDqA9xM4Yk4UK96pep8qWV7bW90DcEg6G6W9Qn urb2wbALMbohd6oFrMbSmihmjUdQ7gWCCEF77Ayn1fDGqVGDbhQ4Pf2sZHt9oQ6syvwO/zcdB n7nFIXS/YIhNEIlQ/iml/o/6V/BITr8hXNWBEMr7faOWzaJDK/U4krOMY4MPB0zxmkU+xeh1H 9pNHpnqWqIDm6rqDOOVlyL/8BpZmrJyCy0i9DINgOXIjWUBrW354ydp8y9Wi1YpiaHWRzijje AiUhPMvYY/+HgB20MKXwnHiyOGsCM8b6+VJD9unzCozek8ZQMtVwpt7xEFXWJahXLxvuEbpjV rRYa2fcJbUC59GR/6v6oXDTx5ZGbxk03JiBY3ZHzx3a5BUzhXN7TCL41mSBQ+xfSWcB6nVAid XSqWQ4aN5pVhmrWVzw4kBJX7MPQh3nhZqehy3vCARWVJaTd9e/xDlk60V3UdrTn+6spoHnzX1 Niw73LWPVAR3hmGnjUdTwRoE8T16hUfDaM/XPA9AVQ4zonJ0mFwB0tTQSxbJOZYCvLyvMhoUL o2elykPsBie7BwbkkYsuw4dJodLRgQm5yXSuI9GHS8UVAuFFpUQ9Zj6+XoTf2aPxQa4NtuAvI ZWukHk3jaJeE8lPN9VrjtdjsYDvB8JlSIygymMekMNFdp19t/QpzDABa4Nar8WTwIvW7nrUlM 8G6U9WCrwrDVcJXHcpNw6IlJ6I7Zl33zIGPBBXvsxyzF5a9a7gJC+Wr4OaKem3WdUe5q9DXBO bilYbQHCcMr6axZmZYI0+DAM7bn2Izimc6gk6npcdoOlUccahDInmutLzHa6BRjQNE3j7pQ/2 6UYQ/HmqAVoFnif6EyW8KAaWRvvkLECaOYzOJnO2ZH3UAZQixFpK0S+12ujQHTZ2s8b/FRFV2 bNXFSOfHQWT8OJi7dQAmRCe8/Llj3a18km+SCMpesfx1f8cQTa+rySzGxstD7AT84VmvyWbU4 jLEpupcChHUMv+mv2gjWHMuEAZPKM+uJE9CWlXhvn5+lgKK/DGzu1cJ6ZOr2Q/y2Vucuya+FF qZpfEYM5oYpDwyTtHPVJtEFDBKWoUPdJkmkdeN/hF30ZoCtPdv4e9OfFg25KAVUcRU59UsEWC bbKPDF+pXTQDdVDK57GGsPzj/knqpwYW24O3MsKb4sNvCSZXEsZ6Bsz4+3sXOrB7tRDKc0nR1 XZnMqsYpby1N6x7e6WHFaG6APLax+JjyfRN1Kup5MNk/OSOAb6LK40qtXd+9hrg2slyQwyWX5 ZnPD4Cv9EHLPqLaf023ggLT2RHeE4odYpi/4aWO18qXFxtCScv+6vzNsd0d5lUYL8Z/gj56bA c0NKyVeD9OhTlO7yY96C/XrGmOzf7F2YrVnd8t3vqOsXXlfUhkLN3P//lyJ+KommpyFYonaN5 pQH4wbTD7GdMsA58cysPnudIj1mFoldo5W5A7AKs/DFtGmF/o9YAFIcIgP3srnyZitbFXf2QT rSO3NNunFvqKbPbG/hR2VkIX1bNkQBV7167nvhi/iAPCWbXM7/5KUD3LUmZ7o8NyApZ95IAQ3 vyG14UE/MbaPw09nFXAnvagfaNkEX7a00n6jXITUIfSFN4ONzTTUnaJ2yELn5vwjkdEYm5+Tu 2IdHDWlqqvvo3ZpYIYMb/lgfPLLIBrPJl23EzUhFX+XtcGg9w0/7guvYzOQMHs7BSKx/mKZEh 2BbejYFqh4/DkjAY/PhHvZR37uXPp/MuhIZ4uSUdT7Xq044MsLNmR6lxSBFuOIaUTjrHt6bss jLPAI2zPt/mVreUYL+roUXLX6BZR8Pa4eIn/x0WPMSEA5AmG9zbG5i55Vg7IyvWvHylzfShCz c5qJPo5FMDnFKLD7MxEoq4hKJ41Qj98MFhvjdAv0V5IOtmcnM8GMOqpVCFq2XZPwG1VLkNn37 JkANfGh7TKiTXMXV0YEVY9vPd24BkA7tl372XAis3BlALQXeRI8XbNbNcyGnIiXu9wg0IYjUn JqIP2PHNOFu3Pzh0qyFsmoaHhQRh6zU+vfZHWVhJOw4TWZeIEemlya3F3yZlunbNtYrkLO/+B qL26J0PJ6O9s0o3O37v/dSfueNazpRoU2jndyC1/8Xf3wv0kfwQTIE//w9kIftYxhl72Jb2f8 8+sSWbrao/pyxqcZiZr4IhzLcrEXLQduR1FhHAduKoAEEG6R3Fw3zGcsaINTgbqpaGyp5Fgkx ixJhxa3yp/pUWoJdjerlSjkvsfKCYx1m0SERt5wm4BzeRqaBgIfhLKxx6k2vA5chrk9L0odO3 XuewlNnJKS34zf42nq0DWwdJSpAQ771QZ0Mxlp23W0byJ7Ho2okhPoExGdSlsb+3/5tBof1ZS vG/JuvMwWAX3OjeKhcCZz9UTexGBnrXrFvt8SzEnBTwv79VH06dezKNUODTRGBvsTH8m/kD0L jeKtEjtMZKuHrM+UttGartgFKupi+n1eRQnd12eGTaXLeKEHV8P0lPfaD3OSv2I60dv82EFS4 OB0upga4TSO3+DR1e7jRL/bpTm1AD3eMzp5qRwA7G4G3NShKl7jBwkAqjvFc0wa2swLJQU+Gi FidWB89zvwtPNpQlyzSMTDxpfRWOryxktL1tdOq3ePMq06T6N2LTNMdr8Hbjx94YdeWdIT9lC GuB44ysDzq0iSkf8+40G9Dfr27dOsdUl+n8fA9o7tHD72Arczjfer78MJqLa/rP7Q1j+NtMsg UPAUc6kUWmca9KbNH0gPW6jnkgagJj2kLjLJbbVEqWWtCSWaP8ooDsTBmvjhXm6oA2zSkQD5x NKzfjAFE003MPXr7YwFd2wWdVqHV0WhHhtNgPID+trR0A1uVu9gc0lB3sCJE8WJG379lgQ0p/ HNsW3JxpUGdhOXBh62Uct2v7k8t/qhhNliKsAQ9F1SMBmM6Pv3Gzuys1eM1eWYI/w2LkrSRO5 0O1cwvMqGdWiItGtoZ3JTQcNT5qGvvngif0+c+g7Badh9VdY07P/i+Bxazjp39nkyJL3945WB NkCJ3DbkqaYzQKgLRD0C29ZwHCU+0PUitCMddiHYsM0qNzOO8AMicgvMbEmqaBmC4gg7fHHGT fFHCidwN9foHPvVBzW1ycL0XBW2tw== Content-Type: text/plain; charset="utf-8" Coverity noticed that the code after the return statement in the "drm_dp_pcon_frl_configure_2" function is never reached. So, it can be safely removed. Coverity-id: 1648885 Fixes: af67978ee37e5 ("drm/display: dp: use new DCPD access helpers") Signed-off-by: Len Bao --- drivers/gpu/drm/display/drm_dp_helper.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/gpu/drm/display/drm_dp_helper.c b/drivers/gpu/drm/disp= lay/drm_dp_helper.c index dc622c78d..de047e30d 100644 --- a/drivers/gpu/drm/display/drm_dp_helper.c +++ b/drivers/gpu/drm/display/drm_dp_helper.c @@ -3586,10 +3586,6 @@ int drm_dp_pcon_frl_configure_2(struct drm_dp_aux *a= ux, int max_frl_mask, buf &=3D ~DP_PCON_FRL_LINK_TRAIN_EXTENDED; =20 return drm_dp_dpcd_write_byte(aux, DP_PCON_HDMI_LINK_CONFIG_2, buf); - if (ret < 0) - return ret; - - return 0; } EXPORT_SYMBOL(drm_dp_pcon_frl_configure_2); =20 --=20 2.43.0