Crypto/chcr: Calculate src and dst sg lengths separately for dma map

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This patch calculates src and dst sg lengths separately for
dma mapping in case of aead operation.

This fixes a panic which occurs due to the accessing of a zero
length sg.
Panic:
[  138.173225] kernel BUG at drivers/iommu/intel-iommu.c:1184!

Signed-off-by: Ayush Sawal <ayush.sawal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Ayush Sawal 2020-06-10 02:54:31 +05:30 • committed by David S. Miller

parent 934e36ec5e

commit fb90a1c85d

1 changed files with 45 additions and 18 deletions

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63

drivers/crypto/chelsio/chcr_algo.c

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