d4461a602c
Final methods start with get_ready_ep(), which will fail unless we have ->state == STATE_EP_ENABLED. So they'd be failing just fine until that first write() anyway. Let's do the following: * get_ready_ep() gets a new argument - true when called from ep_write_iter(), false otherwise. * make it quiet when it finds STATE_EP_READY (no printk, that is; the case won't be impossible after that change). * when that new argument is true, treat STATE_EP_READY the same way as STATE_EP_ENABLED (i.e. return zero and do not unlock). * in ep_write_iter(), after success of get_ready_ep() turn if (!usb_endpoint_dir_in(&epdata->desc)) { into if (epdata->state == STATE_EP_ENABLED && !usb_endpoint_dir_in(&epdata->desc)) { - that logics only applies after config. * have ep_config() take kernel-side buffer (i.e. use memcpy() instead of copy_from_user() in there) and in the "let's call ep_io or ep_aio" (again, in ep_write_iter()) add "... or ep_config() in case it's not configured yet" Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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function | ||
legacy | ||
udc | ||
composite.c | ||
config.c | ||
configfs.c | ||
configfs.h | ||
epautoconf.c | ||
functions.c | ||
Kconfig | ||
Makefile | ||
u_f.c | ||
u_f.h | ||
u_os_desc.h | ||
usbstring.c |