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Groups > linux.kernel > #1574579
| From | Gustavo Padovan <gustavo@padovan.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] drm/vc4: simplify exit path of a failed allocation of dsi_connector |
| Date | 2017-02-06 12:50 +0100 |
| Message-ID | <t7PXX-4pP-15@gated-at.bofh.it> (permalink) |
| References | <t6Sbw-6dd-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hi Colin,
2017-02-03 Colin King <colin.king@canonical.com>:
> From: Colin Ian King <colin.king@canonical.com>
>
> 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 <colin.king@canonical.com>
> ---
> drivers/gpu/drm/vc4/vc4_dsi.c | 16 ++++------------
> 1 file changed, 4 insertions(+), 12 deletions(-)
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Gustavo
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[PATCH] drm/vc4: simplify exit path of a failed allocation of dsi_connector Colin King <colin.king@canonical.com> - 2017-02-03 21:00 +0100 Re: [PATCH] drm/vc4: simplify exit path of a failed allocation of dsi_connector Gustavo Padovan <gustavo@padovan.org> - 2017-02-06 12:50 +0100 Re: [PATCH] drm/vc4: simplify exit path of a failed allocation of dsi_connector Eric Anholt <eric@anholt.net> - 2017-02-08 00:50 +0100
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