There are a number of places where we use the variable j to contain the
register index of the ring. Instead of using such a non-descriptive
variable name it is better that we name it reg_idx so that it is clear what
the variable contains.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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