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(parent: 294caaf) | patch
xen-blkback: check the number of iovecs before allocating a bios
authorRoger Pau Monne <roger.pau@citrix.com>
Sat, 22 Jun 2013 07:59:17 +0000 (09:59 +0200)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tue, 25 Jun 2013 14:00:58 +0000 (10:00 -0400)
commit1e0f7a21b2fffc70f27cc4a454c60321501045b1
tree0a6eb8b048e694cc4ffb69af6f94f2bd5e8105cdtree | snapshot
parent294caaf29c26cfed3b446fb46393b8b39ea1c0d3commit | diff
xen-blkback: check the number of iovecs before allocating a bios

With the introduction of indirect segments we can receive requests
with a number of segments bigger than the maximum number of allowed
iovecs in a bios, so make sure that blkback doesn't try to allocate a
bios with more iovecs than BIO_MAX_PAGES

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
drivers/block/xen-blkback/blkback.c diff | blob | history
John Crispins staging tree