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(parent: c95bc20) | patch
dm io: fix panic on large request
authorJun'ichi Nomura <j-nomura@ce.jp.nec.com>
Thu, 12 Jul 2007 16:27:45 +0000 (17:27 +0100)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Thu, 12 Jul 2007 22:01:08 +0000 (15:01 -0700)
commit596f138eede0c113aa655937c8be85fc15ccd61c
treeefd4e3d67b759b84bb1e72f9d50897d275085f7ctree | snapshot
parentc95bc206da4bc9838bad826883f8f461a972e441commit | diff
dm io: fix panic on large request

bio_alloc_bioset() will return NULL if 'num_vecs' is too large.
Use bio_get_nr_vecs() to get estimation of maximum number.

Cc: stable@kernel.org
Signed-off-by: "Jun'ichi Nomura" <j-nomura@ce.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/md/dm-io.c diff | blob | history
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