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(parent: 6d194d6) | patch
floppy: ignore kernel-only members in FDRAWCMD ioctl input
authorMatthew Daley <mattd@bugfuzz.com>
Mon, 28 Apr 2014 07:05:20 +0000 (19:05 +1200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 13 May 2014 11:32:47 +0000 (13:32 +0200)
commitfb9a2011887416ffdc576d10711dc196343aab69
tree58fe6ee4e124b075884a217b1f9ae529393a3d2atree | snapshot
parent6d194d6e0d832e622d87b8dab4e2122c555a82e9commit | diff
floppy: ignore kernel-only members in FDRAWCMD ioctl input

commit ef87dbe7614341c2e7bfe8d32fcb7028cc97442c upstream.

Always clear out these floppy_raw_cmd struct members after copying the
entire structure from userspace so that the in-kernel version is always
valid and never left in an interdeterminate state.

Signed-off-by: Matthew Daley <mattd@bugfuzz.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/block/floppy.c diff | blob | history
Linux kernel for KaRo TX COM modules