The file descriptor is mandatory for doing anything useful. Error out if we don't have one. Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> --- arch/sandbox/board/hostfile.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/sandbox/board/hostfile.c b/arch/sandbox/board/hostfile.c index 5f0d7e0a4b28..56023b4ad45d 100644 --- a/arch/sandbox/board/hostfile.c +++ b/arch/sandbox/board/hostfile.c @@ -91,6 +91,9 @@ static int hf_probe(struct device_d *dev) if (!priv->fd) priv->fd = linux_open(priv->filename, true); + if (priv->fd < 0) + return priv->fd; + priv->cdev.name = dev->device_node->name; priv->cdev.dev = dev; priv->cdev.ops = &hf_fops; -- 2.28.0 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
