Driver Core: do not oops when driver_unregister() is called for unregistered drivers
We also fix a problem with cleaning up properly when initializing drivers and devices, so checks like this will work successfully. Portions of the patch by Linus and Greg and Ingo. Reported-by: Ozan Çağlayan <ozan@pardus.org.tr> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Greg Kroah-Hartman
parent
086a377edc
commit
5c8563d773
@@ -879,7 +879,7 @@ int device_add(struct device *dev)
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}
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if (!dev_name(dev))
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goto done;
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goto name_error;
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pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
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@@ -978,6 +978,9 @@ done:
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cleanup_device_parent(dev);
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if (parent)
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put_device(parent);
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name_error:
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kfree(dev->p);
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dev->p = NULL;
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goto done;
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}
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