myri10ge: use strscpy() to instead of strncpy()

The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL terminated strings.

Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/myricom/myri10ge/myri10ge.c

@@ -552,8 +552,7 @@ myri10ge_validate_firmware(struct myri10ge_priv *mgp,
 	}
 
 	/* save firmware version for ethtool */
-	strncpy(mgp->fw_version, hdr->version, sizeof(mgp->fw_version));
-	mgp->fw_version[sizeof(mgp->fw_version) - 1] = '\0';
+	strscpy(mgp->fw_version, hdr->version, sizeof(mgp->fw_version));
 
 	sscanf(mgp->fw_version, "%d.%d.%d", &mgp->fw_ver_major,
 	       &mgp->fw_ver_minor, &mgp->fw_ver_tiny);