diff options
Diffstat (limited to 'executor/common_linux.h')
| -rw-r--r-- | executor/common_linux.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/executor/common_linux.h b/executor/common_linux.h index 38b67ef3e..35dff507d 100644 --- a/executor/common_linux.h +++ b/executor/common_linux.h @@ -653,9 +653,10 @@ static void netdevsim_add(unsigned int addr, unsigned int port_count) char buf[16]; sprintf(buf, "%u %u", addr, port_count); - write_file("/sys/bus/netdevsim/new_device", buf); - snprintf(buf, sizeof(buf), "netdevsim%d", addr); - initialize_devlink_ports("netdevsim", buf, "netdevsim"); + if (write_file("/sys/bus/netdevsim/new_device", buf)) { + snprintf(buf, sizeof(buf), "netdevsim%d", addr); + initialize_devlink_ports("netdevsim", buf, "netdevsim"); + } } // We test in a separate namespace, which does not have any network devices initially (even lo). |