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authorHeiko Carstens <heiko.carstens@de.ibm.com>2014-03-04 16:07:52 +0100
committerHeiko Carstens <heiko.carstens@de.ibm.com>2014-03-06 16:30:44 +0100
commit932602e238329da99f8482c1b721549531fbfe7f (patch)
treee32b5562a688ad853783adc1c8c14475be00c681 /ipc
parent5d70a59637911e84687b421afeb4c111a579fb2b (diff)
downloadlinux-932602e238329da99f8482c1b721549531fbfe7f.tar.bz2
fs/compat: convert to COMPAT_SYSCALL_DEFINE with changing parameter types
Some fs compat system calls have unsigned long parameters instead of compat_ulong_t. In order to allow the COMPAT_SYSCALL_DEFINE macro generate code that performs proper zero and sign extension convert all 64 bit parameters their corresponding 32 bit counterparts. compat_sys_io_getevents() is a bit different: the non-compat version has signed parameters for the "min_nr" and "nr" parameters while the compat version has unsigned parameters. So change this as well. For all practical purposes this shouldn't make any difference (doesn't fix a real bug). Also introduce a generic compat_aio_context_t type which can be used everywhere. The access_ok() check within compat_sys_io_getevents() got also removed since the non-compat sys_io_getevents() should be able to handle everything anyway. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'ipc')
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