Comment added in 63662139e "params: Fix potential memory leak in add_sysfs_param()"

[Rasmus Villemoes]

Hi,

I'm not at all convinced by the comment added in commit
63662139e519ce. If krealloc(attrs, ...) fails, nothing seems to free attrs;
the krealloc() call certainly doesn't do it. If attrs was NULL to begin
with, no harm done, but otherwise it is "attrs = mk->mp->grp.attrs;",
and mk->mp is NULL'ed on the error path fail_free_new: (and the value of
mk->mp is anyway invalidated by the krealloc() above).

Am I missing something?

Rasmus
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