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(parent: 650eec5) | patch
x86: Work around compiler code generation bug with -Os
authorLinus Torvalds <torvalds@g5.osdl.org>
Sun, 15 Jan 2006 06:08:28 +0000 (22:08 -0800)
committerLinus Torvalds <torvalds@g5.osdl.org>
Sun, 15 Jan 2006 06:08:28 +0000 (22:08 -0800)
commitcaf5b04c82f05c65843b2d7189845d6c3df5a41e
tree57543bd382f065b1e9c368669a2f723e0721383ftree | snapshot (tar.gz zip)
parent650eec5e04468d0611a60e6098464b7c43981552commit | diff
x86: Work around compiler code generation bug with -Os

Some versions of gcc generate incorrect code for the inet_check_attr()
function, apparently due to a totally bogus index -> pointer comparison
transformation.

At least "gcc version 4.0.1 20050727 (Red Hat 4.0.1-5)" from FC4 is
affected, possibly others too.

This changes the function subtly so that the buggy gcc transformation
doesn't trigger.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
net/ipv4/fib_frontend.c diff | blob | blame | history