USB: r8a66597: clean up. remove unneeded null checks
td and dev can not be null.
Also they are dereferenced in list_for_each_entry_safe and list_for_each
before the check happens so we would have an oops if it were possible
for them to be null.
Found using the smatch static checker.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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