block: take care not to overflow when calculating total iov length
commitb82a78188b15bf15da8279a6022504122abf39fd
authorJens Axboe <jaxboe@fusionio.com>
Fri, 29 Oct 2010 17:31:42 +0000 (29 11:31 -0600)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 21 Mar 2011 19:43:39 +0000 (21 12:43 -0700)
treeccf4fb25a2e14414b50fe1c69b5b3dea0dde71d6
parenta39d84dc4380145211331849f12f8af781fb6c83
block: take care not to overflow when calculating total iov length

commit 9f864c80913467312c7b8690e41fb5ebd1b50e92 upstream.

Reported-by: Dan Rosenberg <drosenberg@vsecurity.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
block/scsi_ioctl.c