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path: root/drivers/crypto/amlogic/amlogic-gxl-cipher.c
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Diffstat (limited to 'drivers/crypto/amlogic/amlogic-gxl-cipher.c')
-rw-r--r--drivers/crypto/amlogic/amlogic-gxl-cipher.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c
index c6865cbd334b..af017a087ebf 100644
--- a/drivers/crypto/amlogic/amlogic-gxl-cipher.c
+++ b/drivers/crypto/amlogic/amlogic-gxl-cipher.c
@@ -177,7 +177,7 @@ static int meson_cipher(struct skcipher_request *areq)
if (areq->src == areq->dst) {
nr_sgs = dma_map_sg(mc->dev, areq->src, sg_nents(areq->src),
DMA_BIDIRECTIONAL);
- if (nr_sgs < 0) {
+ if (!nr_sgs) {
dev_err(mc->dev, "Invalid SG count %d\n", nr_sgs);
err = -EINVAL;
goto theend;
@@ -186,14 +186,14 @@ static int meson_cipher(struct skcipher_request *areq)
} else {
nr_sgs = dma_map_sg(mc->dev, areq->src, sg_nents(areq->src),
DMA_TO_DEVICE);
- if (nr_sgs < 0 || nr_sgs > MAXDESC - 3) {
+ if (!nr_sgs || nr_sgs > MAXDESC - 3) {
dev_err(mc->dev, "Invalid SG count %d\n", nr_sgs);
err = -EINVAL;
goto theend;
}
nr_sgd = dma_map_sg(mc->dev, areq->dst, sg_nents(areq->dst),
DMA_FROM_DEVICE);
- if (nr_sgd < 0 || nr_sgd > MAXDESC - 3) {
+ if (!nr_sgd || nr_sgd > MAXDESC - 3) {
dev_err(mc->dev, "Invalid SG count %d\n", nr_sgd);
err = -EINVAL;
goto theend;
@@ -265,7 +265,9 @@ static int meson_handle_cipher_request(struct crypto_engine *engine,
struct skcipher_request *breq = container_of(areq, struct skcipher_request, base);
err = meson_cipher(breq);
+ local_bh_disable();
crypto_finalize_skcipher_request(engine, breq, err);
+ local_bh_enable();
return 0;
}