[PATCH] param: add error check to __dev_add_param()

[Sascha Hauer]

On Thu, Jan 29, 2015 at 11:42:36AM +0900, Masahiro Yamada wrote:
> If the argument, name is given with NULL, it would be probably
> unexpected behavior.  It should fail rather than register the
> NULL-named parameter.
> 
> If strdup() fails with out-of-memory, it should also fail
> with -ENOMEM.

Applied, thanks

Sascha

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