X-Git-Url: https://git.stricted.de/?a=blobdiff_plain;f=block%2Fblk-throttle.c;h=7cddfe6baf664ee249fc1eaa959584ae48b52e34;hb=b9e7bc93d665a989f62f385d6982dd8d92c0e7dd;hp=31146225f3d078fb5326e30195a0fa138f1f3e5a;hpb=f2e5d078f7f02d4289db31f5f63e23e39914075e;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 31146225f3d0..7cddfe6baf66 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -942,6 +942,9 @@ 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);