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From: Marcel Holtmann <marcel@holtmann.org> Date: Fri, 27 Jul 2007 16:41:18 +0200 > > We loop through psm values, calling __l2cap_get_sock_by_addr(psm, ...) > > until we get NULL; then we set ->psm of our socket to htobs(psm). > > IOW, we find unused psm value and put it into our socket. So far, so > > good, but... __l2cap_get_sock_by_addr() compares its argument with > > ->psm of sockets. IOW, the entire thing works correctly only on > > little-endian. On big-endian we'll get "no socket with such psm" > > on the first iteration, since we won't find a socket with ->psm == 0x1001. > > We will happily conclude that 0x1001 is unused and slap htobs(0x1001) > > (i.e. 0x110) into ->psm of our socket. Of course, the next time around > > the same thing will repeat and we'll just get a fsckload of sockets > > with the same ->psm assigned. > > > > Fix: pass htobs(psm) to __l2cap_get_sock_by_addr() there. All other > > callers are already passing little-endian values and all places that > > store something in ->psm are storing little-endian. > > > > Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> > > Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Applied. > Dave, all four patches are good and should go in sooner than later. If > you want me to put them into my tree first, then I can do that or you > can apply them directly. You choice. I'll take care of these, thanks. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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