]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commit6080a04019f3da6f33a2a5d9bb1d0828eb7e760d
treeefd4e3d67b759b84bb1e72f9d50897d275085f7c
parent2d77c987dfcf5a4be25bc893ef1a7e6e8a609c23
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