From: Kevin Corry <kevcorry@us.ibm.com>
To: Linus Torvalds <torvalds@osdl.org>, Andrew Morton <akpm@osdl.org>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH] 3/4: DM: dm-raid1.c: Enforce max of 9 mirrors
Date: Wed, 30 Jun 2004 14:58:27 -0500 [thread overview]
Message-ID: <200406301458.27773.kevcorry@us.ibm.com> (raw)
In-Reply-To: <200406301452.16886.kevcorry@us.ibm.com>
dm-raid1.c: Since kcopyd can currently only handle 1 source and up to 8
destinations, enforce a max of 9 mirrors when creating a dm-mirror device.
Signed-off-by: Kevin Corry <kevcorry@us.ibm.com>
--- diff/drivers/md/dm-raid1.c 2004-06-30 08:45:34.500305424 -0500
+++ source/drivers/md/dm-raid1.c 2004-06-30 08:48:25.247347928 -0500
@@ -1028,7 +1028,7 @@
argc -= args_used;
if (!argc || sscanf(argv[0], "%u", &nr_mirrors) != 1 ||
- nr_mirrors < 2) {
+ nr_mirrors < 2 || nr_mirrors > KCOPYD_MAX_REGIONS + 1) {
ti->error = "dm-mirror: Invalid number of mirrors";
dm_destroy_dirty_log(dl);
return -EINVAL;
next prev parent reply other threads:[~2004-06-30 19:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-30 19:52 [PATCH] 0/4: Device-Mapper: Minor cleanups and fixes Kevin Corry
2004-06-30 19:57 ` [PATCH] 1/4: DM: kcopyd.c: Remove unused include Kevin Corry
2004-06-30 19:57 ` [PATCH] 2/4: DM: kcopyd.c: make client_add() return void Kevin Corry
2004-06-30 19:58 ` Kevin Corry [this message]
2004-06-30 19:58 ` [PATCH] 4/4: DM: dm-raid1.c: Use fixed-size arrays Kevin Corry
2004-06-30 20:07 ` Michael Buesch
2004-06-30 20:28 ` Jedi/Sector One
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