diff options
Diffstat (limited to 'drivers/crypto/caam/caamalg_desc.c')
| -rw-r--r-- | drivers/crypto/caam/caamalg_desc.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/crypto/caam/caamalg_desc.c b/drivers/crypto/caam/caamalg_desc.c index 7db1640d3577..1e1a376edc2f 100644 --- a/drivers/crypto/caam/caamalg_desc.c +++ b/drivers/crypto/caam/caamalg_desc.c @@ -2,7 +2,7 @@ /* * Shared descriptors for aead, skcipher algorithms * - * Copyright 2016-2018 NXP + * Copyright 2016-2019 NXP */ #include "compat.h" @@ -1396,9 +1396,11 @@ void cnstr_shdsc_skcipher_encap(u32 * const desc, struct alginfo *cdata, set_jump_tgt_here(desc, key_jump_cmd); - /* Load iv */ - append_seq_load(desc, ivsize, LDST_SRCDST_BYTE_CONTEXT | - LDST_CLASS_1_CCB | (ctx1_iv_off << LDST_OFFSET_SHIFT)); + /* Load IV, if there is one */ + if (ivsize) + append_seq_load(desc, ivsize, LDST_SRCDST_BYTE_CONTEXT | + LDST_CLASS_1_CCB | (ctx1_iv_off << + LDST_OFFSET_SHIFT)); /* Load counter into CONTEXT1 reg */ if (is_rfc3686) @@ -1462,9 +1464,11 @@ void cnstr_shdsc_skcipher_decap(u32 * const desc, struct alginfo *cdata, set_jump_tgt_here(desc, key_jump_cmd); - /* load IV */ - append_seq_load(desc, ivsize, LDST_SRCDST_BYTE_CONTEXT | - LDST_CLASS_1_CCB | (ctx1_iv_off << LDST_OFFSET_SHIFT)); + /* Load IV, if there is one */ + if (ivsize) + append_seq_load(desc, ivsize, LDST_SRCDST_BYTE_CONTEXT | + LDST_CLASS_1_CCB | (ctx1_iv_off << + LDST_OFFSET_SHIFT)); /* Load counter into CONTEXT1 reg */ if (is_rfc3686) |