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authorArnd Bergmann <arnd@arndb.de>2009-11-06 22:52:32 -0800
committerDavid S. Miller <davem@davemloft.net>2009-11-06 22:52:32 -0800
commit50857e2a59d8beddc6bb76137df026d67f30d5ca (patch)
tree7b6d244ad6fa07ff199c7d1436750d535b6b8dcd /Documentation/firmware_class/README
parent2dceba14ef0e62738d58777a1bd4018130d47a74 (diff)
net/tun: handle compat_ioctl directly
The tun driver is the only code in the kernel that operates on a character device with struct ifreq. Change the driver to handle the conversion itself so we can contain the remaining ifreq handling in the socket layer. This also fixes a bug in the handling of invalid ioctl numbers on an unbound tun device. The driver treats this as a TUNSETIFF in native mode, but there is no way for the generic compat_ioctl() function to emulate this behaviour. Possibly the driver was only doing this accidentally anyway, but if any code relies on this misfeature, it now also works in compat mode. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/firmware_class/README')
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