diff options
Diffstat (limited to 'drivers/crypto/mediatek/mtk-aes.c')
| -rw-r--r-- | drivers/crypto/mediatek/mtk-aes.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/crypto/mediatek/mtk-aes.c b/drivers/crypto/mediatek/mtk-aes.c index 9e845e866dec..72e4549ed36b 100644 --- a/drivers/crypto/mediatek/mtk-aes.c +++ b/drivers/crypto/mediatek/mtk-aes.c @@ -928,8 +928,13 @@ static int mtk_aes_gcm_start(struct mtk_cryp *cryp, struct mtk_aes_rec *aes) static int mtk_aes_gcm_crypt(struct aead_request *req, u64 mode) { struct mtk_aes_base_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req)); + struct mtk_aes_gcm_ctx *gctx = mtk_aes_gcm_ctx_cast(ctx); struct mtk_aes_reqctx *rctx = aead_request_ctx(req); + /* Empty messages are not supported yet */ + if (!gctx->textlen && !req->assoclen) + return -EINVAL; + rctx->mode = AES_FLAGS_GCM | mode; return mtk_aes_handle_queue(ctx->cryp, !!(mode & AES_FLAGS_ENCRYPT), |