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authorDavid Miller <davem@davemloft.net>2008-07-25 10:38:31 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 20:28:09 +0400
commit3d6f4a20cc287a8980c6186624834cf10a70752b (patch)
tree851e6f595fe7a03ca626287be24961517cf47709 /drivers/mfd
parent43de804df8d6002059bf4af4522fa9273a19b8aa (diff)
downloadlinux-3d6f4a20cc287a8980c6186624834cf10a70752b.tar.xz
endian: Always evaluate arguments.
Changeset 7fa897b91a3ea0f16c2873b869d7a0eef05acff4 ("ide: trivial sparse annotations") created an IDE bootup regression on big-endian systems. In drivers/ide/ide-iops.c, function ide_fixstring() we now have the loop: for (p = end ; p != s;) be16_to_cpus((u16 *)(p -= 2)); which will never terminate on big-endian because in such a configuration be16_to_cpus() evaluates to "do { } while (0)" Therefore, always evaluate the arguments to nop endian transformation operations. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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