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dlm: fix possible call to kfree() for non-initialized pointer

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Technically dlm_config_nodes() could return error and keep nodes
uninitialized. After that on the fail path of we'll call kfree()
for that uninitialized value.

The patch is simple - we should just initialize nodes with NULL.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
Denis V. Lunev 2018-11-13 20:39:50 +03:00 committed by David Teigland
parent 216f0efd19
commit 58a923adf4
1 changed files with 1 additions and 1 deletions
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2
fs/dlm/member.c
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@ -671,7 +671,7 @@ int dlm_ls_stop(struct dlm_ls *ls)
int dlm_ls_start(struct dlm_ls *ls)
{
struct dlm_recover *rv, *rv_old;
struct dlm_config_node *nodes;
struct dlm_config_node *nodes = NULL;
int error, count;
rv = kzalloc(sizeof(*rv), GFP_NOFS);