crypto: starfive - fix return value check in starfive_aes_prepare_req()

kzalloc() returns NULL pointer not PTR_ERR() when it fails,
so replace the IS_ERR() check with NULL pointer check.

Fixes: e22471c2331c ("crypto: starfive - Add AES skcipher and aead support")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/starfive/jh7110-aes.c b/drivers/crypto/starfive/jh7110-aes.c
index 04dd7958054f8f423403f8af5be3283616341376..278dfa4aa743f78b419e9026dbb1868e492bc2a4 100644 (file)
--- a/drivers/crypto/starfive/jh7110-aes.c
+++ b/drivers/crypto/starfive/jh7110-aes.c
@@ -496,8 +496,8 @@ static int starfive_aes_prepare_req(struct skcipher_request *req,
 
        if (cryp->assoclen) {
                rctx->adata = kzalloc(ALIGN(cryp->assoclen, AES_BLOCK_SIZE), GFP_KERNEL);
-               if (IS_ERR(rctx->adata))
-                       return dev_err_probe(cryp->dev, PTR_ERR(rctx->adata),
+               if (!rctx->adata)
+                       return dev_err_probe(cryp->dev, -ENOMEM,
                                             "Failed to alloc memory for adata");
 
                scatterwalk_copychunks(rctx->adata, &cryp->in_walk, cryp->assoclen, 0);