[PATCH] net: ethernet: intel: ixgbe: ixgbe_main.c: Cleaning up missing null-terminate after strncpy call

[Rickard Strandqvist]

Added a guaranteed null-terminate after call to strncpy.

This was partly found using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index d62e7a2..58322e4 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -8237,8 +8237,10 @@ skip_sriov:
 	ixgbe_check_minimum_link(adapter, expected_gts);
 
 	err = ixgbe_read_pba_string_generic(hw, part_str, IXGBE_PBANUM_LENGTH);
-	if (err)
+	if (err) {
 		strncpy(part_str, "Unknown", IXGBE_PBANUM_LENGTH);
+		part_str[sizeof(part_str) - 1] = '\0';
+	}
 	if (ixgbe_is_sfp(hw) && hw->phy.sfp_type != ixgbe_sfp_type_not_present)
 		e_dev_info("MAC: %d, PHY: %d, SFP+: %d, PBA No: %s\n",
 			   hw->mac.type, hw->phy.type, hw->phy.sfp_type,
-- 
1.7.10.4

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