igb_uio: fail and log if kernel lock down is enabled

[dpdk.git] / kernel / linux / igb_uio / igb_uio.c

diff --git a/kernel/linux/igb_uio/igb_uio.c b/kernel/linux/igb_uio/igb_uio.c
index cd9b7e7..b3233f1 100644 (file)
--- a/kernel/linux/igb_uio/igb_uio.c
+++ b/kernel/linux/igb_uio/igb_uio.c
@@ -621,6 +621,11 @@ igbuio_pci_init_module(void)
 {
        int ret;
 
+       if (igbuio_kernel_is_locked_down()) {
+               pr_err("Not able to use module, kernel lock down is enabled\n");
+               return -EINVAL;
+       }
+
        ret = igbuio_config_intr_mode(intr_mode);
        if (ret < 0)
                return ret;