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scst: scst_free_acg() not dereference NULL acg->tgt for proc interface

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Signed-off-by: David Butterfield <dab21774@gmail.com>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7199 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2017-06-01 03:49:26 +00:00
parent c1d798a788
commit c4e9bab97c
1 changed files with 2 additions and 1 deletions
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3
scst/src/scst_lib.c
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@@ -4728,7 +4728,8 @@ static void scst_free_acg(struct scst_acg *acg)
struct scst_acn *acn, *acnt;
struct scst_tgt *tgt = acg->tgt;
TRACE_DBG("Freeing acg %s/%s", tgt->tgt_name, acg->acg_name);
/* For procfs acg->tgt could be NULL */
TRACE_DBG("Freeing acg %s/%s", tgt ? tgt->tgt_name : "(tgt=NULL)", acg->acg_name);
list_for_each_entry_safe(acg_dev, acg_dev_tmp, &acg->acg_dev_list,
acg_dev_list_entry) {