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authorArnd Bergmann <arnd@arndb.de>2009-11-06 22:51:16 -0800
committerDavid S. Miller <davem@davemloft.net>2009-11-06 22:52:38 -0800
commit9646e7ce3d1955478aa0573b36c151ab4b649486 (patch)
treeecef431218a43293cf0b71eec52427b20f618b02 /fs
parent50857e2a59d8beddc6bb76137df026d67f30d5ca (diff)
net, compat_ioctl: handle socket ioctl abuses in tty drivers
Slip and a few other drivers use the same ioctl numbers on tty devices that are normally meant for sockets. This causes problems with our compat_ioctl handling that tries to convert the data structures in a different format. Fortunately, these five drivers all use 32 bit compatible data structures in the ioctl numbers, so we can just add a trivial compat_ioctl conversion function to each of them. SIOCSIFENCAP and SIOCGIFENCAP do not need to live in fs/compat_ioctl.c after this any more, and they are not used on any sockets. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs')
-rw-r--r--fs/compat_ioctl.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index c562e9a4da7..f4a5a01fc66 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -2020,8 +2020,6 @@ COMPATIBLE_IOCTL(FIOGETOWN)
COMPATIBLE_IOCTL(SIOCGPGRP)
COMPATIBLE_IOCTL(SIOCATMARK)
COMPATIBLE_IOCTL(SIOCSIFLINK)
-COMPATIBLE_IOCTL(SIOCSIFENCAP)
-COMPATIBLE_IOCTL(SIOCGIFENCAP)
COMPATIBLE_IOCTL(SIOCSIFNAME)
COMPATIBLE_IOCTL(SIOCSARP)
COMPATIBLE_IOCTL(SIOCGARP)