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usb: gadget: rndis: Fix re-binding f_rndis

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f_rndis checks if rndis_string_defs[0].id is null to setup rndis
and allocate string ids when it is bound to the first configuration:

	/* maybe allocate device-global string IDs */
	if (rndis_string_defs[0].id == 0) {

		/* ... and setup RNDIS itself */
		status = rndis_init();
		if (status < 0)
			return status;

rndis_string_defs[0].id must be reset to 0 on unbind for rndis to be
correctly initialized on the next composite_bind.

Signed-off-by: Benoit Goby <benoit@android.com>
This commit is contained in:
Benoit Goby 2011-12-16 20:00:38 -08:00 committed by Iliyan Malchev
parent a8609102a4
commit 41d2bb9d98
1 changed files with 1 additions and 0 deletions
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1
drivers/usb/gadget/f_rndis.c
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@ -850,6 +850,7 @@ rndis_unbind(struct usb_configuration *c, struct usb_function *f)
rndis_deregister(rndis->config);
rndis_exit();
rndis_string_defs[0].id = 0;
if (gadget_is_superspeed(c->cdev->gadget))
usb_free_descriptors(f->ss_descriptors);