Commit 69d9cd8c authored by Horia Geant?'s avatar Horia Geant? Committed by Herbert Xu

Revert "crypto: talitos - convert to use be16_add_cpu()"

This reverts commit 7291a932.

The conversion to be16_add_cpu() is incorrect in case cryptlen is
negative due to premature (i.e. before addition / subtraction)
implicit conversion of cryptlen (int -> u16) leading to sign loss.

Cc: <stable@vger.kernel.org> # 3.10+
Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: default avatarHoria Geanta <horia.geanta@freescale.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 5fa7dadc
...@@ -1083,7 +1083,8 @@ static int sg_to_link_tbl(struct scatterlist *sg, int sg_count, ...@@ -1083,7 +1083,8 @@ static int sg_to_link_tbl(struct scatterlist *sg, int sg_count,
sg_count--; sg_count--;
link_tbl_ptr--; link_tbl_ptr--;
} }
be16_add_cpu(&link_tbl_ptr->len, cryptlen); link_tbl_ptr->len = cpu_to_be16(be16_to_cpu(link_tbl_ptr->len)
+ cryptlen);
/* tag end of link table */ /* tag end of link table */
link_tbl_ptr->j_extent = DESC_PTR_LNKTBL_RETURN; link_tbl_ptr->j_extent = DESC_PTR_LNKTBL_RETURN;
......
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