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authorJeff Mahoney <jeffm@suse.com>2006-06-26 00:27:25 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-26 09:58:35 -0700
commit10da4f795f965f22039aa2930b6f80964aad3ee5 (patch)
tree6f4bfd27cdcdad15b53df997476fae539383bf4a /drivers/edac/i82875p_edac.c
parent7ec75f254742766eb729f1d1024a5b4e6692fc5f (diff)
[PATCH] dm: add module ref counting
The reference counting on dm-mod is zero if no mapped devices are open. This is incorrect, and can lead to an oops if the module is unloaded while mapped devices exist. This patch claims a reference to the module whenever a device is created, and drops it again when the device is freed. Devices must be removed before dm-mod is unloaded. [akpm: too late for 2.6.17 - suitable for 2.6.17.x after it has settled] Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/edac/i82875p_edac.c')
0 files changed, 0 insertions, 0 deletions