* [PATCH] dlm: fixed memory leaks after failed ls_remove_names allocation
@ 2018-11-15 6:45 Vasily Averin
2018-11-15 10:15 ` [PATCH v2] " Vasily Averin
0 siblings, 1 reply; 2+ messages in thread
From: Vasily Averin @ 2018-11-15 6:45 UTC (permalink / raw)
To: linux-kernel, Christine Caulfield, David Teigland, cluster-devel
If allocation fails on last elements of array need to free already
allocated elements.
Fixes 789924ba635f ("dlm: fix race between remove and lookup")
Cc: stable@kernel.org # 3.6
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
---
fs/dlm/lockspace.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index 5ba94be006ee..f99e110a0af8 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -532,7 +532,7 @@ static int new_lockspace(const char *name, const char *cluster,
ls->ls_remove_names[i] = kzalloc(DLM_RESNAME_MAXLEN+1,
GFP_KERNEL);
if (!ls->ls_remove_names[i])
- goto out_rsbtbl;
+ goto out_remove_names;
}
idr_init(&ls->ls_lkbidr);
@@ -680,6 +680,7 @@ static int new_lockspace(const char *name, const char *cluster,
kfree(ls->ls_recover_buf);
out_lkbidr:
idr_destroy(&ls->ls_lkbidr);
+ out_remove_names:
for (i = 0; i < DLM_REMOVE_NAMES_MAX; i++) {
if (ls->ls_remove_names[i])
kfree(ls->ls_remove_names[i]);
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH v2] dlm: fixed memory leaks after failed ls_remove_names allocation
2018-11-15 6:45 [PATCH] dlm: fixed memory leaks after failed ls_remove_names allocation Vasily Averin
@ 2018-11-15 10:15 ` Vasily Averin
0 siblings, 0 replies; 2+ messages in thread
From: Vasily Averin @ 2018-11-15 10:15 UTC (permalink / raw)
To: linux-kernel, Christine Caulfield, David Teigland, cluster-devel
If allocation fails on last elements of array need to free already
allocated elements.
v2: just move existing out_rsbtbl label to right place
Fixes 789924ba635f ("dlm: fix race between remove and lookup")
Cc: stable@kernel.org # 3.6
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
---
fs/dlm/lockspace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index 5ba94be006ee..6a1529e478f3 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -680,11 +680,11 @@ static int new_lockspace(const char *name, const char *cluster,
kfree(ls->ls_recover_buf);
out_lkbidr:
idr_destroy(&ls->ls_lkbidr);
+ out_rsbtbl:
for (i = 0; i < DLM_REMOVE_NAMES_MAX; i++) {
if (ls->ls_remove_names[i])
kfree(ls->ls_remove_names[i]);
}
- out_rsbtbl:
vfree(ls->ls_rsbtbl);
out_lsfree:
if (do_unreg)
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2018-11-15 10:15 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-11-15 6:45 [PATCH] dlm: fixed memory leaks after failed ls_remove_names allocation Vasily Averin
2018-11-15 10:15 ` [PATCH v2] " Vasily Averin
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).