On 5/23/2019 9:12 AM, Herbert Xu wrote: > On Wed, May 15, 2019 at 02:25:45PM +0300, Iuliana Prodan wrote: >> >> @@ -1058,6 +1105,14 @@ static int __init caam_pkc_init(void) >> goto out_put_dev; >> } >> >> + /* allocate zero buffer, used for padding input */ >> + zero_buffer = kzalloc(CAAM_RSA_MAX_INPUT_SIZE - 1, GFP_DMA | >> + GFP_KERNEL); >> + if (!zero_buffer) { >> + err = -ENOMEM; >> + goto out_put_dev; >> + } >> + >> err = crypto_register_akcipher(&caam_rsa); >> if (err) >> dev_warn(ctrldev, "%s alg registration failed\n", > > This patch does not apply on top of the caam patch-series from Horia. The patch was considered a fix, and thus developed on top of crypto-2.6. I guess you are implicitly asking to resubmit based on cryptodev-2.6, correct? > You're also going to leak zero_buffer if crypto_register_akcipher > fails. > When crypto_register_akcipher fails, it merely prints a warning and falls through (does not immediately return), thus there's no leak. Thanks, Horia