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dm table: rework reference counting fix

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Fix an error introduced in dm-table-rework-reference-counting.patch.

When there is failure after table initialization, we need to use
dm_table_destroy, not dm_table_put, to free the table.

dm_table_put may be used only after dm_table_get.

Cc: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Jonathan Brassow <jbrassow@redhat.com>
Reviewed-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Mikulas Patocka 2009-03-16 17:44:26 +00:00 committed by Alasdair G Kergon
parent bc0fd67feb
commit f80a557008
1 changed files with 2 additions and 2 deletions
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4
drivers/md/dm-ioctl.c
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@ -1064,7 +1064,7 @@ static int table_load(struct dm_ioctl *param, size_t param_size)
r = populate_table(t, param, param_size);
if (r) {
dm_table_put(t);
dm_table_destroy(t);
goto out;
}
@ -1072,7 +1072,7 @@ static int table_load(struct dm_ioctl *param, size_t param_size)
hc = dm_get_mdptr(md);
if (!hc || hc->md != md) {
DMWARN("device has been removed from the dev hash table.");
dm_table_put(t);
dm_table_destroy(t);
up_write(&_hash_lock);
r = -ENXIO;
goto out;