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authorPan Bian <bianpan2016@163.com>2017-08-08 21:42:47 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2017-08-17 16:53:33 +0800
commitef4064bb3f6a1037cbda8d025f564aab5bd2de35 (patch)
tree5a78aee0fd343ea43a1a409c672806be8bcdb8d3 /lib/mpi
parentdea632cadd129d1901efde6b1167a6250b2157fb (diff)
downloadlinux-ef4064bb3f6a1037cbda8d025f564aab5bd2de35.tar.bz2
crypto: ccp - use dma_mapping_error to check map error
The return value of dma_map_single() should be checked by dma_mapping_error(). However, in function ccp_init_dm_workarea(), its return value is checked against NULL, which could result in failures. Signed-off-by: Pan Bian <bianpan2016@163.com> Acked-by: Gary R Hook <gary.hook@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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