AuxXxilium/linux_dsm_epyc7002
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3 Commits

Author SHA1 Message Date
Dan Carpenter
4c048af708 crypto: mxc-scc - fix unwinding in mxc_scc_crypto_register() 
There are two issues here:

1) We need to decrement "i" otherwise we unregister something that was
   not successfully registered.
2) The original code did not unregister the first element in the array
   where i is zero.

Fixes: d293b640eb ('crypto: mxc-scc - add basic driver for the MXC SCC')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2016-04-25 19:14:53 +08:00
Dan Carpenter
b908bd3d4c crypto: mxc-scc - signedness bugs in mxc_scc_ablkcipher_req_init() 
->src_nents and ->dst_nents are unsigned so they can't be less than
zero.  I fixed this by introducing a temporary "nents" variable.

Fixes: d293b640eb ('crypto: mxc-scc - add basic driver for the MXC SCC')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2016-04-25 19:14:52 +08:00
Steffen Trumtrar
d293b640eb crypto: mxc-scc - add basic driver for the MXC SCC 
According to the Freescale GPL driver code, there are two different
Security Controller (SCC) versions: SCC and SCC2.

The SCC is found on older i.MX SoCs, e.g. the i.MX25. This is the
version implemented and tested here.

As there is no publicly available documentation for this IP core,
all information about this unit is gathered from the GPL'ed driver
from Freescale.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2016-04-15 22:36:35 +08:00