If 'usb start' does not find devices, the command 'usb dev' without parameter will lead to error= USB device -1: data abort A check on usb_stor_curr_dev avoid the issue
Signed-off-by: Patrick Delaunay patrick.delaunay@st.com ---
cmd/usb.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/cmd/usb.c b/cmd/usb.c index 4fa456e..bc90553 100644 --- a/cmd/usb.c +++ b/cmd/usb.c @@ -803,6 +803,10 @@ static int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) printf("... is now current device\n"); return 0; } else { + if (usb_stor_curr_dev < 0) { + printf("no current device selected\n"); + return 1; + } printf("\nUSB device %d: ", usb_stor_curr_dev); stor_dev = blk_get_devnum_by_type(IF_TYPE_USB, usb_stor_curr_dev);