diff options
Diffstat (limited to 'drivers/crypto/ccp/platform-access.c')
| -rw-r--r-- | drivers/crypto/ccp/platform-access.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/platform-access.c b/drivers/crypto/ccp/platform-access.c index 939c924fc383..94367bc49e35 100644 --- a/drivers/crypto/ccp/platform-access.c +++ b/drivers/crypto/ccp/platform-access.c @@ -67,6 +67,11 @@ int psp_send_platform_access_msg(enum psp_platform_access_msg msg, return -ENODEV; pa_dev = psp->platform_access_data; + + if (!pa_dev->vdata->cmdresp_reg || !pa_dev->vdata->cmdbuff_addr_lo_reg || + !pa_dev->vdata->cmdbuff_addr_hi_reg) + return -ENODEV; + cmd = psp->io_regs + pa_dev->vdata->cmdresp_reg; lo = psp->io_regs + pa_dev->vdata->cmdbuff_addr_lo_reg; hi = psp->io_regs + pa_dev->vdata->cmdbuff_addr_hi_reg; |