crypto: gemini - Fix error check for dma_map_sg

dma_map_sg return 0 on error.

Cc: Corentin Labbe <clabbe@baylibre.com>
Cc: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-crypto@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
1 file changed