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This code checks "if (parent_hw)" is non-NULL, but then it has more
checks if parent_hw is non-NULL on the lines inside the if statement.
It is a bit confusing.
For the else statement, keep in mind that at the start of the function
we checked:
if (!(parent_name || parent_hw))
return ERR_PTR(-EINVAL);
That check ensures that if parent_hw is NULL that means that parent_name
is non-NULL. At least one must always be non-NULL. So here again, the
checks inside the if statement can be removed.
In the original code, it was a bit confusing and you could easily get
the impression that "init.num_parents" could be zero. When we remove
the unnecessary checking it's more obvious that it's always set to 1.
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/7782b4f1-deed-49dc-8207-b6ea06d7602f@moroto.mountain
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
43a354a21a