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4352b47ab7
barrier variable is int, not long. This overflow caused another variable override: "err" (in PV code) and "binfo" (in xenlinux code - drivers/xen/blkfront/blkfront.c). The later caused incorrect device flags (RO/removable etc). Signed-off-by: Marek Marczykowski <marmarek@mimuw.edu.pl> Acked-by: Ian Campbell <Ian.Campbell@citrix.com> [v1: Changed title] Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>