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main: safeguard delete-resource

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Thomas Schoebel-Theuer 2020-07-27 15:41:55 +02:00 committed by Thomas Schoebel-Theuer
parent 3fb3ce9c8e
commit fb6ed4aebe
1 changed files with 3 additions and 0 deletions
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3
kernel/sy_old/mars_main.c
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@ -3873,6 +3873,9 @@ int _check_logging_status(struct mars_rotate *rot, int *log_nr, long long *oldpo
goto done; goto done;
status = -EINVAL; status = -EINVAL;
/* may happen after delete-resource */
if (!dent->d_path)
goto done;
CHECK_PTR(dent->d_path, done); CHECK_PTR(dent->d_path, done);
parent = dent->d_parent; parent = dent->d_parent;
CHECK_PTR(parent, done); CHECK_PTR(parent, done);