/* * u_serial.h - interface to USB gadget "serial port"/TTY utilities * * Copyright (C) 2008 David Brownell * Copyright (C) 2008 by Nokia Corporation * * This software is distributed under the terms of the GNU General * Public License ("GPL") as published by the Free Software Foundation, * either version 2 of that License or (at your option) any later version. */ #ifndef __U_SERIAL_H #define __U_SERIAL_H #include #include #define MAX_U_SERIAL_PORTS 4 struct f_serial_opts { struct usb_function_instance func_inst; u8 port_num; }; /* * One non-multiplexed "serial" I/O port ... there can be several of these * on any given USB peripheral device, if it provides enough endpoints. * * The "u_serial" utility component exists to do one thing: manage TTY * style I/O using the USB peripheral endpoints listed here, including * hookups to sysfs and /dev for each logical "tty" device. * * REVISIT at least ACM could support tiocmget() if needed. * * REVISIT someday, allow multiplexing several TTYs over these endpoints. */ struct gserial { struct usb_function func; /* port is managed by gserial_{connect,disconnect} */ struct gs_port *ioport; struct usb_ep *in; struct usb_ep *out; /* REVISIT avoid this CDC-ACM support harder ... */ struct usb_cdc_line_coding port_line_coding; /* 9600-8-N-1 etc */ /* notification callbacks */ void (*connect)(struct gserial *p); void (*disconnect)(struct gserial *p); int (*send_break)(struct gserial *p, int duration); }; /* utilities to allocate/free request and buffer */ struct usb_request *gs_alloc_req(struct usb_ep *ep, unsigned len, gfp_t flags); void gs_free_req(struct usb_ep *, struct usb_request *req); /* management of individual TTY ports */ int gserial_alloc_line(unsigned char *port_line); void gserial_free_line(unsigned char port_line); /* connect/disconnect is handled by individual functions */ int gserial_connect(struct gserial *, u8 port_num); void gserial_disconnect(struct gserial *); /* functions are bound to configurations by a config or gadget driver */ int gser_bind_config(struct usb_configuration *c, u8 port_num); int obex_bind_config(struct usb_configuration *c, u8 port_num); #endif /* __U_SERIAL_H */ ac9ad55ec2434d8fb46'>diff
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authorHarsh Jain <harsh@chelsio.com>2017-02-01 21:10:28 +0530
committerHerbert Xu <herbert@gondor.apana.org.au>2017-02-03 17:45:48 +0800
commit0b529f143e8baad441a5aac9ad55ec2434d8fb46 (patch)
treefd816e548e12745d4776ad0bd661bec142d3ea06 /tools/testing/selftests/x86/raw_syscall_helper_32.S
parentc26819900036f5b91608051a0fc7c76f6b4ffc7b (diff)
crypto: algif_aead - Fix kernel panic on list_del
Kernel panics when userspace program try to access AEAD interface. Remove node from Linked List before freeing its memory. Cc: <stable@vger.kernel.org> Signed-off-by: Harsh Jain <harsh@chelsio.com> Reviewed-by: Stephan Müller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'tools/testing/selftests/x86/raw_syscall_helper_32.S')