diff options
| -rw-r--r-- | arch/um/drivers/ubd_kern.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 13b1fe694b90..bd16b17ba4d6 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -375,11 +375,11 @@ break_loop: file = NULL; backing_file = strsep(&str, ",:"); - if (*backing_file == '\0') + if (backing_file && *backing_file == '\0') backing_file = NULL; serial = strsep(&str, ",:"); - if (*serial == '\0') + if (serial && *serial == '\0') serial = NULL; if (backing_file && ubd_dev->no_cow) { |