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Revision 8074b26f67165bf045d92e778c9c10dc5e207fc6 authored by Miklos Szeredi on 24 February 2011, 14:49:53 UTC, committed by Linus Torvalds on 24 February 2011, 16:55:01 UTC 
mm: fix refcounting in swapon
 
Grab a reference to bdev before calling blkdev_get(), which expects
the refcount to be already incremented and either returns success or
decrements the refcount and returns an error.

The bug was introduced by e525fd89 (block: make blkdev_get/put()
handle exclusive access), which didn't take into account this behavior
of blkdev_get().

Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 3c522ce
Raw File
Lindent 
#!/bin/sh
PARAM="-npro -kr -i8 -ts8 -sob -l80 -ss -ncs -cp1"
RES=`indent --version`
V1=`echo $RES | cut -d' ' -f3 | cut -d'.' -f1`
V2=`echo $RES | cut -d' ' -f3 | cut -d'.' -f2`
V3=`echo $RES | cut -d' ' -f3 | cut -d'.' -f3`
if [ $V1 -gt 2 ]; then
  PARAM="$PARAM -il0"
elif [ $V1 -eq 2 ]; then
  if [ $V2 -gt 2 ]; then
    PARAM="$PARAM -il0";
  elif [ $V2 -eq 2 ]; then
    if [ $V3 -ge 10 ]; then
      PARAM="$PARAM -il0"
    fi
  fi
fi
indent $PARAM "$@"
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