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firmware: google: Unregister driver_info on failure

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[ Upstream commit 32b0901e141f6d4cf49d820b53eb09b88b1f72f7 ]

When platform_device_register_full() returns error, the gsmi_init() returns
without unregister gsmi_driver_info, fix by add missing
platform_driver_unregister() when platform_device_register_full() failed.

Fixes: 8942b2d509 ("gsmi: Add GSMI commands to log S0ix info")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Acked-by: Brian Norris <briannorris@chromium.org>
Link: https://lore.kernel.org/r/20241015131344.20272-1-yuancan@huawei.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yuan Can 2024-10-15 21:13:44 +08:00 • committed by Greg Kroah-Hartman
parent 659e78fe61
commit de5d5b84a6
1 changed files with 4 additions and 2 deletions
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6
drivers/firmware/google/gsmi.c
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@ -898,7 +898,8 @@ static __init int gsmi_init(void)
gsmi_dev.pdev = platform_device_register_full(&gsmi_dev_info);
if (IS_ERR(gsmi_dev.pdev)) {
printk(KERN_ERR "gsmi: unable to register platform device\n");
return PTR_ERR(gsmi_dev.pdev);
ret = PTR_ERR(gsmi_dev.pdev);
goto out_unregister;
}
/* SMI access needs to be serialized */
@ -1025,10 +1026,11 @@ out_err:
gsmi_buf_free(gsmi_dev.name_buf);
dma_pool_destroy(gsmi_dev.dma_pool);
platform_device_unregister(gsmi_dev.pdev);
pr_info("gsmi: failed to load: %d\n", ret);
out_unregister:
#ifdef CONFIG_PM
platform_driver_unregister(&gsmi_driver_info);
#endif
pr_info("gsmi: failed to load: %d\n", ret);
return ret;
}