From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Anholt Date: Tue, 07 Feb 2017 23:46:34 +0000 Subject: Re: [PATCH] drm/vc4: simplify exit path of a failed allocation of dsi_connector Message-Id: <87poit4l9h.fsf@eliezer.anholt.net> MIME-Version: 1 Content-Type: multipart/mixed; boundary="=-=-=" List-Id: References: <20170203195624.7189-1-colin.king@canonical.com> In-Reply-To: <20170203195624.7189-1-colin.king@canonical.com> To: Colin King , David Airlie , dri-devel@lists.freedesktop.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org --=-=-= Content-Type: text/plain Colin King writes: > From: Colin Ian King > > If dsi_connector fails to allocate, the exit path via label 'fail' > checks if connector is null, which it always is, so the cleanup > that destroys connector is never going to be called. Hence the > failure path can be more optimally performed by removing this > and just returning ERR_PTR(-ENOMEM). This also removes the need > to initialize connector to NULL, and we can also remove ret too. > > Detected by CoverityScan, CID#1399504 ("Logicall Dead Code") > > Signed-off-by: Colin Ian King Reviewed and pushed to drm-misc-next. Thanks! --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE/JuuFDWp9/ZkuCBXtdYpNtH8nugFAliaXFoACgkQtdYpNtH8 nuiYzA/9EJhS9DWJB7mOp5LW4xdIAAU7EMZ6x4hxWSAofv/cIa5WQ8lRL8DVvOck CFiLcQgv5l3ibsVbKahO+/icGU1dOd8wxx17SiwV2MhKWyYY00nC/AuMqHSFhkt3 iVso+cthlmneSlleDu5wI+nUaersJ/ysku/PnOt6X2Bk+xnJOIQPU5lWq+qUPdn5 Jp6h8g2NfyQvtrYhKjZp9Gt+9oH3lQ5leE+zY2Me28pgOE2bxQat7wUtieOUyiqZ gRrDnuUvacYmPyFAh1gThp3YkvjLuVM2ajyN0THxlhOvPyZoyC9tcdi33IUMjkjF NCnHzUnnR9QQ91h8PjJPOD0G3UaNGMgJcLMb2S/JI1EmKi4wnVAuM8OHpkxSGtpw qlks7fTcqs3VJPPQHWGCigeX3KjTmmPUTKguVBbO6UUc+lD4AnL5zCC7j89Rkrcu 5GV8M9aVBkL0vjUrGZGDfOdoyen2JxQpSr0cc1J46wcNoLDHKzMR61N0WxKC+KUr l0xJim/RFezNBsepdWPr6KqPT5aJ5npfLVzv8gkzuiHaCko79F/fw0gb50EPDgKh 3HwKONQqPoS0nY0o1Qkx9zNyVSZBtKerl346xbRp0QN9OlFd5b8jAT4o9cpSAJe3 qBgSAR6aIYTmC+dRo0P8PvQsiH5NQsYLt8547gX850CFqSe5pSY= =7mMZ -----END PGP SIGNATURE----- --=-=-=--