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staging: gasket: remove driver registration on class creation failure

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If class_create() fails, remove the gasket driver from the global
registration table.

Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Todd Poynor
2018-07-17 13:56:45 -07:00
committed by Alex Van Damme
parent 1563830458
commit dc5522d1dc
1 changed files with 3 additions and 1 deletions
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4
gasket_core.c
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@@ -335,7 +335,8 @@ int gasket_register_device(const struct gasket_driver_desc *driver_desc)
if (IS_ERR_OR_NULL(internal->class)) {
gasket_nodev_error("Cannot register %s class [ret=%ld]",
driver_desc->name, PTR_ERR(internal->class));
return PTR_ERR(internal->class);
ret = PTR_ERR(internal->class);
goto unregister_gasket_driver;
}
/*
@@ -369,6 +370,7 @@ fail2:
fail1:
class_destroy(internal->class);
unregister_gasket_driver:
g_descs[desc_idx].driver_desc = NULL;
return ret;
}