add blk child devices to ignore list while displaying
usb tree graph, otherwise usb tree and info commands
may cause crash treating blk as usb device.
Signed-off-by: Suneel Garapati <suneelgli...@gmail.com>
---
Changes v2:
- remove check on parent uclass
Changes v1:
- add separate check on blk uclass
- modify description
- add separate check on parent uclass as usb
cmd/usb.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/cmd/usb.c b/cmd/usb.c
index d95bcf5..eb31353 100644
--- a/cmd/usb.c
+++ b/cmd/usb.c
@@ -414,8 +414,12 @@ static void usb_show_tree_graph(struct usb_device *dev,
char *pre)
udev = dev_get_parent_priv(child);
- /* Ignore emulators, we only want real devices */
- if (device_get_uclass_id(child) != UCLASS_USB_EMUL) {
+ /*
+ * Ignore emulators and block child devices, with check on
+ * parent uclass as usb, we only want real devices
+ */
+ if ((device_get_uclass_id(child) != UCLASS_USB_EMUL) &&
+ (device_get_uclass_id(child) != UCLASS_BLK)) {
usb_show_tree_graph(udev, pre);
pre[index] = 0;
}
@@ -605,7 +609,8 @@ static void usb_show_info(struct usb_device *udev)
for (device_find_first_child(udev->dev, &child);
child;
device_find_next_child(&child)) {
- if (device_active(child)) {
+ if (device_active(child) &&
+ (device_get_uclass_id(child) != UCLASS_BLK)) {
udev = dev_get_parent_priv(child);
usb_show_info(udev);
}
--
2.7.4
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