1 files changed, 4 insertions, 2 deletions

diff --git a/net/nfc/digital_core.c b/net/nfc/digital_core.c
index b105cfb00e76..a6ce3c627e4e 100644
--- a/net/nfc/digital_core.c
+++ b/net/nfc/digital_core.c
@@ -386,6 +386,8 @@ int digital_target_found(struct nfc_digital_dev *ddev,
 
 void digital_poll_next_tech(struct nfc_digital_dev *ddev)
 {
+        u8 rand_mod;
+
         digital_switch_rf(ddev, 0);
 
         mutex_lock(&ddev->poll_lock);
@@ -395,8 +397,8 @@ void digital_poll_next_tech(struct nfc_digital_dev *ddev)
                 return;
         }
 
-        ddev->poll_tech_index = (ddev->poll_tech_index + 1) %
-                                ddev->poll_tech_count;
+        get_random_bytes(&rand_mod, sizeof(rand_mod));
+        ddev->poll_tech_index = rand_mod % ddev->poll_tech_count;
 
         mutex_unlock(&ddev->poll_lock);