
Hi Suneel,
On Tue, Sep 19, 2017 at 11:05 AM, Suneel Garapati suneelglinux@gmail.com wrote:
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 suneelglinux@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
nits: please remove the comment of "with check on parent uclass as usb".
*/
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); }
--
Regards, Bin