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[PATCH 4.19 115/148] dlm: possible memory leak on error path in create_lkb()




4.19-stable review patch.  If anyone has any objections, please let me know.

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From: Vasily Averin <vvs@xxxxxxxxxxxxx>

commit 23851e978f31eda8b2d01bd410d3026659ca06c7 upstream.

Fixes 3d6aa675fff9 ("dlm: keep lkbs in idr")
Cc: stable@xxxxxxxxxx # 3.1

Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx>
Signed-off-by: David Teigland <teigland@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 fs/dlm/lock.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -1209,6 +1209,7 @@ static int create_lkb(struct dlm_ls *ls,
 
 	if (rv < 0) {
 		log_error(ls, "create_lkb idr error %d", rv);
+		dlm_free_lkb(lkb);
 		return rv;
 	}