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HSI: omap_ssi_core: Fix error handling in ssi_init()

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[ Upstream commit 3ffa9f713c39a213a08d9ff13ab983a8aa5d8b5d ]

The ssi_init() returns the platform_driver_register() directly without
checking its return value, if platform_driver_register() failed, the
ssi_pdriver is not unregistered.
Fix by unregister ssi_pdriver when the last platform_driver_register()
failed.

Fixes: 0fae198988 ("HSI: omap_ssi: built omap_ssi and omap_ssi_port into one module")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yuan Can 2022-11-24 11:33:32 +00:00 committed by Greg Kroah-Hartman
parent 5150b76aa2
commit 42d976bd97
1 changed files with 7 additions and 1 deletions
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8
drivers/hsi/controllers/omap_ssi_core.c
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@ -631,7 +631,13 @@ static int __init ssi_init(void) {
if (ret)
return ret;
return platform_driver_register(&ssi_port_pdriver);
ret = platform_driver_register(&ssi_port_pdriver);
if (ret) {
platform_driver_unregister(&ssi_pdriver);
return ret;
}
return 0;
}
module_init(ssi_init);