e1000e: replace unbounded sprintf with snprintf

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 6025d5fb12a4..7cedfeb505b2 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -1843,7 +1843,9 @@ static int e1000_request_msix(struct e1000_adapter *adapter)
         int err = 0, vector = 0;
 
         if (strlen(netdev->name) < (IFNAMSIZ - 5))
-                sprintf(adapter->rx_ring->name, "%s-rx-0", netdev->name);
+                snprintf(adapter->rx_ring->name,
+                         sizeof(adapter->rx_ring->name) - 1,
+                         "%s-rx-0", netdev->name);
         else
                 memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
         err = request_irq(adapter->msix_entries[vector].vector,
@@ -1856,7 +1858,9 @@ static int e1000_request_msix(struct e1000_adapter *adapter)
         vector++;
 
         if (strlen(netdev->name) < (IFNAMSIZ - 5))
-                sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name);
+                snprintf(adapter->tx_ring->name,
+                         sizeof(adapter->tx_ring->name) - 1,
+                         "%s-tx-0", netdev->name);
         else
                 memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
         err = request_irq(adapter->msix_entries[vector].vector,