powerpc/32: Fix again csum_partial_copy_generic()
Commit 7aef4136 ("powerpc32: rewrite csum_partial_copy_generic() based on copy_tofrom_user()") introduced a bug when destination address is odd and len is lower than cacheline size. In that case the resulting csum value doesn't have to be rotated one byte because the cache-aligned copy part is skipped so no alignment is performed. Fixes: 7aef4136 ("powerpc32: rewrite csum_partial_copy_generic() based on copy_tofrom_user()") Cc: stable@vger.kernel.org # v4.6+ Reported-by:Alessio Igor Bogani <alessio.bogani@elettra.eu> Signed-off-by:
Christophe Leroy <christophe.leroy@c-s.fr> Tested-by:
Alessio Igor Bogani <alessio.bogani@elettra.eu> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
parent
caa58f80
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