A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-08 12:58:12 -04:00
Code Issues Projects Releases Packages Wiki Activity

scsi: ufs-qti: Check for valid vcc before accessing

Browse source 
This patch fixes a NULL pointer dereference by checking
if vccq & vccq2 are valid before dereferencing it.

Change-Id: Ieb5aefab77428adbbbbf892f2be1a9942d7c3851
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
This commit is contained in:
Asutosh Das 2020-01-06 15:26:39 -08:00
commit 4eb78fc2b5
1 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/scsi/ufs/ufshcd-qti.c
View file

@ -8323,9 +8323,9 @@ reinit:
* during system suspend events. This will cause the UFS
* device to re-initialize upon system resume events.
*/
if ((hba->dev_info.w_spec_version >= 0x300 &&
if ((hba->dev_info.w_spec_version >= 0x300 && hba->vreg_info.vccq &&
hba->vreg_info.vccq->sys_suspend_pwr_off) ||
(hba->dev_info.w_spec_version < 0x300 &&
(hba->dev_info.w_spec_version < 0x300 && hba->vreg_info.vccq2 &&
hba->vreg_info.vccq2->sys_suspend_pwr_off))
hba->spm_lvl = ufs_get_desired_pm_lvl_for_dev_link_state(
UFS_POWERDOWN_PWR_MODE,