diff options
Diffstat (limited to 'drivers/crypto/ccp/psp-dev.c')
| -rw-r--r-- | drivers/crypto/ccp/psp-dev.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c index d64a78ccc03e..b16be8a11d92 100644 --- a/drivers/crypto/ccp/psp-dev.c +++ b/drivers/crypto/ccp/psp-dev.c @@ -364,7 +364,7 @@ static int sev_ioctl_do_pek_csr(struct sev_issue_cmd *argp) goto cmd; /* allocate a physically contiguous buffer to store the CSR blob */ - if (!access_ok(VERIFY_WRITE, input.address, input.length) || + if (!access_ok(input.address, input.length) || input.length > SEV_FW_BLOB_MAX_SIZE) { ret = -EFAULT; goto e_free; @@ -644,14 +644,14 @@ static int sev_ioctl_do_pdh_export(struct sev_issue_cmd *argp) /* Allocate a physically contiguous buffer to store the PDH blob. */ if ((input.pdh_cert_len > SEV_FW_BLOB_MAX_SIZE) || - !access_ok(VERIFY_WRITE, input.pdh_cert_address, input.pdh_cert_len)) { + !access_ok(input.pdh_cert_address, input.pdh_cert_len)) { ret = -EFAULT; goto e_free; } /* Allocate a physically contiguous buffer to store the cert chain blob. */ if ((input.cert_chain_len > SEV_FW_BLOB_MAX_SIZE) || - !access_ok(VERIFY_WRITE, input.cert_chain_address, input.cert_chain_len)) { + !access_ok(input.cert_chain_address, input.cert_chain_len)) { ret = -EFAULT; goto e_free; } |