On Wed, Dec 13, 2017 at 06:18:27PM -0800, Guenter Roeck wrote: > From: Al Viro <viro@xxxxxxxxxxxxxxxxxx> > > commit 2b04e8f6bbb196cab4b232af0f8d48ff2c7a8058 upstream. > > we need to take care of failure exit as well - pages already > in bio should be dropped by analogue of bio_unmap_pages(), > since their refcounts had been bumped only once per reference > in bio. > > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> > Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> > --- > Fixed conflicts. > Intended for v4.4.y. Does not apply to v3.18.y or older kernels. Many thanks for this, now applied. greg k-h