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drm: encoder_slave: fix refcouting error for modules

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[ Upstream commit f78d4032de60f50fd4afaa0fb68ea03b985f820a ]

module_put() balances try_module_get(), not request_module(). Fix the
error path to match that.

Fixes: 2066facca4 ("drm/kms: slave encoder interface.")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wolfram Sang 2020-06-15 09:58:10 +02:00 • committed by Greg Kroah-Hartman
commit bc615a290f
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/drm_encoder_slave.c
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@ -84,7 +84,7 @@ int drm_i2c_encoder_init(struct drm_device *dev,
err = encoder_drv->encoder_init(client, dev, encoder);
if (err)
goto fail_unregister;
goto fail_module_put;
if (info->platform_data)
encoder->slave_funcs->set_config(&encoder->base,
@ -92,9 +92,10 @@ int drm_i2c_encoder_init(struct drm_device *dev,
return 0;
fail_module_put:
module_put(module);
fail_unregister:
i2c_unregister_device(client);
module_put(module);
fail:
return err;
}