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-rw-r--r--kernel/pid.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/pid.c b/kernel/pid.c
index c45a28c16cd2..14e908f2f0cb 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -491,7 +491,7 @@ pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns)
struct upid *upid;
pid_t nr = 0;
- if (pid && ns->level <= pid->level) {
+ if (pid && ns && ns->level <= pid->level) {
upid = &pid->numbers[ns->level];
if (upid->ns == ns)
nr = upid->nr;