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| author | Venkat Gopalakrishnan <venkatg@codeaurora.org> | 2016-06-14 16:02:24 -0700 |
|---|---|---|
| committer | Kyle Yan <kyan@codeaurora.org> | 2016-06-15 16:11:54 -0700 |
| commit | a8de60e7e7cd6f8f8f87ecb90352ca0d47b0e99d (patch) | |
| tree | 6cc69b72cdc00d1196661c3e8e576f13d9d3bcec | |
| parent | 9e6175fca80248e837a2c4aca31494faf3602404 (diff) | |
scsi: ufs-qcom: Fix null pointer dereference
Validate the existence of pm qos groups before accessing them,
to fix null pointer dereference.
Change-Id: Iddb96afac87cf3e7a1cc48f04b3c550e81bdae4b
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
| -rw-r--r-- | drivers/scsi/ufs/ufs-qcom.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index 52268783dd23..36fd682edab8 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -1829,6 +1829,9 @@ static void ufs_qcom_pm_qos_suspend(struct ufs_qcom_host *host) { int i; + if (!host->pm_qos.groups) + return; + for (i = 0; i < host->pm_qos.num_groups; i++) flush_work(&host->pm_qos.groups[i].unvote_work); } |