diff options
Diffstat (limited to 'drivers/firmware/imx/seco_mu.c')
| -rw-r--r-- | drivers/firmware/imx/seco_mu.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/firmware/imx/seco_mu.c b/drivers/firmware/imx/seco_mu.c index 75c721100915..ee84889029be 100644 --- a/drivers/firmware/imx/seco_mu.c +++ b/drivers/firmware/imx/seco_mu.c @@ -680,6 +680,12 @@ static int seco_mu_ioctl_setup_iobuf_handler(struct seco_mu_device_ctx *dev_ctx, shared_mem->pos += round_up(io.length, 8u); io.seco_addr = (u64)shared_mem->dma_addr + pos; } else { + if (io.length > MAX_DATA_SIZE_PER_USER) { + devctx_err(dev_ctx, "Buffer length exceeded the max limit\n"); + err = -ENOMEM; + goto exit; + } + io.seco_addr = (u64)addr; } |