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    Relax the rw_verify_area() error checking. · e28cc715
    Linus Torvalds 提交于
    In particular, allow over-large read- or write-requests to be downgraded
    to a more reasonable range, rather than considering them outright errors.
    
    We want to protect lower layers from (the sadly all too common) overflow
    conditions, but prefer to do so by chopping the requests up, rather than
    just refusing them outright.
    
    Cc: Peter Anvin <hpa@zytor.com>
    Cc: Ulrich Drepper <drepper@redhat.com>
    Cc: Andi Kleen <ak@suse.de>
    Cc: Al Viro <viro@ftp.linux.org.uk>
    Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
    e28cc715
read_write.c 16.2 KB