wg: try again if dump is interrupted

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2017-10-08 16:24:37 +02:00
parent 38ac0ff08e
commit 8774fccff3

View file

@ -855,6 +855,7 @@ static int kernel_get_device(struct wgdevice **dev, const char *interface)
struct mnlg_socket *nlg;
struct get_device_ctx ctx = { 0 };
try_again:
*dev = ctx.device = calloc(1, sizeof(struct wgdevice));
if (!*dev)
return -errno;
@ -884,6 +885,8 @@ out:
mnlg_socket_close(nlg);
if (ret) {
free_wgdevice(*dev);
if (ret == -EINTR)
goto try_again;
*dev = NULL;
}
errno = -ret;