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TAGGED_RCPT(0.00)[renesas]; FROM_HAS_DN(0.00)[]; R_DKIM_PERMFAIL(0.00)[kernel.org:s=k20201202]; RCPT_COUNT_TWELVE(0.00)[39]; RCVD_COUNT_FIVE(0.00)[5]; FROM_NEQ_ENVFROM(0.00)[mripard@kernel.org,linux-sunxi@lists.linux.dev]; FREEMAIL_TO(0.00)[linux.intel.com,suse.de,gmail.com,ffwll.ch,lwn.net,linuxfoundation.org,oss.qualcomm.com,iki.fi,ideasonboard.com,intel.com,linaro.org,kernel.org,kwiboo.se,emersion.fr,amd.com,igalia.com,redhat.com,ursulin.net,sholland.org,raspberrypi.com]; FORGED_RECIPIENTS_MAILLIST(0.00)[]; DKIM_TRACE(0.00)[kernel.org:~]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(0.00)[+ip4:172.105.105.114:c]; FORGED_SENDER_MAILLIST(0.00)[]; MIME_TRACE(0.00)[0:+]; ARC_ALLOW(0.00)[subspace.kernel.org:s=arc-20240116:i=1]; ASN(0.00)[asn:63949, ipnet:172.105.96.0/20, country:SG]; RCVD_TLS_LAST(0.00)[]; TAGGED_FROM(0.00)[bounces-23555-noreply=patchwork.local]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[] X-Rspamd-Queue-Id: 706751C021A X-MORS-Enabled: yes X-MORS-DOMAIN: patchwork.local X-MORS-HOSTING: hosting172546 X-MORS-USER: hosting172546 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= The initial intent of the atomic_create_state hook was to simply allocate a proper drm_private_state and return it, without any side effect. However, __drm_atomic_helper_private_obj_create_state(), which most atomic_create_state implementations call, introduces a side effect by setting drm_private_obj.state to the newly allocated state. This assignment defeats the purpose, but is also redundant since drm_atomic_private_obj_init(), the only call site for the atomic_create_state hook, will also set this pointer to the newly allocated state. Drop the assignment in __drm_atomic_helper_private_obj_create_state(). Fixes: e7be39ed1716 ("drm/atomic-helper: Add private_obj atomic_create_state helper") Reviewed-by: Laurent Pinchart Signed-off-by: Maxime Ripard Reviewed-by: Thomas Zimmermann --- drivers/gpu/drm/drm_atomic_state_helper.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c index cc70508d4fdb..a82568d87e4f 100644 --- a/drivers/gpu/drm/drm_atomic_state_helper.c +++ b/drivers/gpu/drm/drm_atomic_state_helper.c @@ -729,12 +729,10 @@ EXPORT_SYMBOL(drm_atomic_helper_connector_destroy_state); void __drm_atomic_helper_private_obj_create_state(struct drm_private_obj *obj, struct drm_private_state *state) { if (state) state->obj = obj; - - obj->state = state; } EXPORT_SYMBOL(__drm_atomic_helper_private_obj_create_state); /** * __drm_atomic_helper_private_obj_duplicate_state - copy atomic private state