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authorDmitry Monakhov <dmonakhov@openvz.org>2007-10-19 22:38:41 +0100
committerAlasdair G Kergon <agk@redhat.com>2007-10-20 02:01:02 +0100
commit2e64a0f92830791f160274c46aef3678fabcf044 (patch)
tree9ca6464cf43743f8651c7e3303401188fc6cf6f6 /drivers/md/dm-delay.c
parenta72cf737e09da409e047863e38410930dae5fe05 (diff)
downloadop-kernel-dev-2e64a0f92830791f160274c46aef3678fabcf044.zip
op-kernel-dev-2e64a0f92830791f160274c46aef3678fabcf044.tar.gz
dm delay: fix ctr error paths
Add missing 'dm_put_device' to dm-delay target constructor. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-delay.c')
-rw-r--r--drivers/md/dm-delay.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index 6928c13..0fd1f7c 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -163,34 +163,32 @@ static int delay_ctr(struct dm_target *ti, unsigned int argc, char **argv)
goto bad;
}
- if (argc == 3) {
- dc->dev_write = NULL;
+ dc->dev_write = NULL;
+ if (argc == 3)
goto out;
- }
if (sscanf(argv[4], "%llu", &tmpll) != 1) {
ti->error = "Invalid write device sector";
- goto bad;
+ goto bad_dev_read;
}
dc->start_write = tmpll;
if (sscanf(argv[5], "%u", &dc->write_delay) != 1) {
ti->error = "Invalid write delay";
- goto bad;
+ goto bad_dev_read;
}
if (dm_get_device(ti, argv[3], dc->start_write, ti->len,
dm_table_get_mode(ti->table), &dc->dev_write)) {
ti->error = "Write device lookup failed";
- dm_put_device(ti, dc->dev_read);
- goto bad;
+ goto bad_dev_read;
}
out:
dc->delayed_pool = mempool_create_slab_pool(128, delayed_cache);
if (!dc->delayed_pool) {
DMERR("Couldn't create delayed bio pool.");
- goto bad;
+ goto bad_dev_write;
}
setup_timer(&dc->delay_timer, handle_delayed_timer, (unsigned long)dc);
@@ -203,6 +201,11 @@ out:
ti->private = dc;
return 0;
+bad_dev_write:
+ if (dc->dev_write)
+ dm_put_device(ti, dc->dev_write);
+bad_dev_read:
+ dm_put_device(ti, dc->dev_read);
bad:
kfree(dc);
return -EINVAL;
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