dm io:ctl remove vmalloc void cast
In drivers/md/dm-ioctl.c::copy_params() there's a call to vmalloc() where we currently cast the return value, but that's pretty pointless given that vmalloc() returns "void *". Signed-off-by: NJesper Juhl <jesper.juhl@gmail.com> Signed-off-by: NAlasdair G Kergon <agk@redhat.com>
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