It appear that some function drivers check if ep.desc is NULL, as happen in f_serial before calling to config_ep_by_speed. Therefor a bug exists when disconnecting and reconnecting the usb cable, since on disconnect the udc does not set the ep.desc to NULL. Ido Shayevitz (1): usb: gadget: Clear usb_endpoint_descriptor inside the struct usb_ep on disable drivers/usb/dwc3/gadget.c | 1 + drivers/usb/gadget/amd5536udc.c | 1 + drivers/usb/gadget/at91_udc.c | 1 + drivers/usb/gadget/atmel_usba_udc.c | 1 + drivers/usb/gadget/ci13xxx_udc.c | 1 + drivers/usb/gadget/fsl_qe_udc.c | 1 + drivers/usb/gadget/fsl_udc_core.c | 1 + drivers/usb/gadget/goku_udc.c | 1 + drivers/usb/gadget/langwell_udc.c | 1 + drivers/usb/gadget/mv_udc_core.c | 1 + drivers/usb/gadget/omap_udc.c | 1 + drivers/usb/gadget/pch_udc.c | 1 + drivers/usb/gadget/pxa25x_udc.c | 2 ++ drivers/usb/gadget/s3c-hsudc.c | 2 ++ drivers/usb/gadget/s3c2410_udc.c | 2 ++ 15 files changed, 18 insertions(+), 0 deletions(-) -- 1.7.6 -- Consultant for Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
