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EDAC: Properly unwind on failure path in edac_init() 

edac_init() does not deallocate already allocated resources on failure
path.

Found by Linux Driver Verification project (linuxtesting.org).

 [ Boris: The unwind path functions have __exit annotation but are being
   used in an __init function, leading to section mismatches. Drop the
   section annotation and make them normal functions. ]

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Link: http://lkml.kernel.org/r/1423203162-26368-1-git-send-email-khoroshilov@ispras.ru
Signed-off-by: Borislav Petkov <bp@suse.de>
hifive-unleashed-5.1
Alexey Khoroshilov 2015-02-05 22:12:42 -08:00 committed by Borislav Petkov
parent fc7cc6b782
commit c6b97bcf8e
2 changed files with 10 additions and 7 deletions
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4
drivers/edac/edac_mc_sysfs.c
View File

@ -914,7 +914,7 @@ int __init edac_debugfs_init(void)
return 0;
}
void __exit edac_debugfs_exit(void)
void edac_debugfs_exit(void)
{
debugfs_remove(edac_debugfs);
}
@ -1155,7 +1155,7 @@ int __init edac_mc_sysfs_init(void)
return err;
}
void __exit edac_mc_sysfs_exit(void)
void edac_mc_sysfs_exit(void)
{
device_unregister(mci_pdev);
edac_put_sysfs_subsys();

13
drivers/edac/edac_module.c
View File

@ -112,20 +112,23 @@ static int __init edac_init(void)
err = edac_mc_sysfs_init();
if (err)
goto error;
goto err_sysfs;
edac_debugfs_init();
/* Setup/Initialize the workq for this core */
err = edac_workqueue_setup();
if (err) {
edac_printk(KERN_ERR, EDAC_MC, "init WorkQueue failure\n");
goto error;
edac_printk(KERN_ERR, EDAC_MC, "Failure initializing workqueue\n");
goto err_wq;
}
return 0;
error:
err_wq:
edac_debugfs_exit();
edac_mc_sysfs_exit();
err_sysfs:
return err;
}