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-rw-r--r--fs/dlm/user.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index 322a6bcd70a2..d18e7a539f11 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -357,6 +357,10 @@ static int dlm_device_register(struct dlm_ls *ls, char *name)
error = misc_register(&ls->ls_device);
if (error) {
kfree(ls->ls_device.name);
+ /* this has to be set to NULL
+ * to avoid a double-free in dlm_device_deregister
+ */
+ ls->ls_device.name = NULL;
}
fail:
return error;