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Merge "scsi: ufs: Check qcg before dereferencing"

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qctecmdr 2020-11-22 23:40:44 -08:00 • committed by Gerrit - the friendly Code Review server
commit 829fba660f
1 changed files with 3 additions and 0 deletions
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drivers/scsi/ufs/ufs-qcom.c
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@ -2493,6 +2493,9 @@ static void ufs_qcom_qos(struct ufs_hba *hba, int tag, bool is_scsi_cmd)
if (cpu < 0)
return;
qcg = cpu_to_group(host->ufs_qos, cpu);
if (!qcg)
return;
if (qcg->voted) {
dev_dbg(qcg->host->hba->dev, "%s: qcg: 0x%08x | Mask: 0x%08x - Already voted - return\n",
__func__, qcg, qcg->mask);