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selftests/timers: Add nanosleep test from timetest suite
[cascardo/linux.git]
/
block
/
blk-throttle.c
diff --git
a/block/blk-throttle.c
b/block/blk-throttle.c
index
9273d09
..
5b9c6d5
100644
(file)
--- a/
block/blk-throttle.c
+++ b/
block/blk-throttle.c
@@
-1292,6
+1292,9
@@
static u64 tg_prfill_cpu_rwstat(struct seq_file *sf,
struct blkg_rwstat rwstat = { }, tmp;
int i, cpu;
+ if (tg->stats_cpu == NULL)
+ return 0;
+
for_each_possible_cpu(cpu) {
struct tg_stats_cpu *sc = per_cpu_ptr(tg->stats_cpu, cpu);