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Alan Douglas authored
Virtual address is translated to the XCHAL_KSEG_CACHED region in the dma_free_coherent, but is checked to be in the 0...XCHAL_KSEG_SIZE range. Change check for end of the range from 'addr >= X' to 'addr > X - 1' to handle the case of X == 0. Replace 'if (C) BUG();' construct with 'BUG_ON(C);'. Cc: stable@vger.kernel.org Signed-off-by:
Alan Douglas <adouglas@cadence.com> Signed-off-by:
Max Filippov <jcmvbkbc@gmail.com>
1ca49463