lib/mpi: only require buffers as big as needed for the integer

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Since mpi_write_to_sgl and mpi_read_buffer explicitly left-align the
integers being written it makes no sense to require a buffer big enough for
the number + the leading zero bytes which are not written.  The error
returned also doesn't convey any information.  So instead require only the
size needed and return -EOVERFLOW to signal when buffer too short.

Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Andrzej Zaborowski 2015-11-13 12:01:32 +01:00 • committed by Herbert Xu

parent 7aff7d0abc

commit 9cbe21d8f8

1 changed files with 17 additions and 4 deletions

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lib/mpi/mpicoder.c

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