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authorHeiko Carstens <heiko.carstens@de.ibm.com>2010-01-05 14:19:11 +0100
committerH. Peter Anvin <hpa@zytor.com>2010-01-05 13:45:06 -0800
commit409d02ef6d74f5e91f5ea4c587b2ee1375f106fc (patch)
treeb0a306edba73fe23fde15568ff04dbb00e5536cc /arch/arm/mach-mmp/tavorevb.c
parentf4b825bde98938f160315d655597bc9731521cae (diff)
x86: copy_from_user() should not return -EFAULT
Callers of copy_from_user() expect it to return the number of bytes it could not copy. In no case it is supposed to return -EFAULT. In case of a detected buffer overflow just return the requested length. In addition one could think of a memset that would clear the size of the target object. [ hpa: code is not in .32 so not needed for -stable ] Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Arjan van de Ven <arjan@linux.intel.com> LKML-Reference: <20100105131911.GC5480@osiris.boeblingen.de.ibm.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/arm/mach-mmp/tavorevb.c')
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