Adrian, > Fix the following BUG: > > [ 187.065689] BUG: kernel NULL pointer dereference, address: 000000000000001c > [ 187.065790] RIP: 0010:ufshcd_vreg_set_hpm+0x3c/0x110 [ufshcd_core] > [ 187.065938] Call Trace: > [ 187.065959] ufshcd_resume+0x72/0x290 [ufshcd_core] > [ 187.065980] ufshcd_system_resume+0x54/0x140 [ufshcd_core] > [ 187.065993] ? pci_pm_restore+0xb0/0xb0 > [ 187.066005] ufshcd_pci_resume+0x15/0x20 [ufshcd_pci] > [ 187.066017] pci_pm_thaw+0x4c/0x90 > [ 187.066030] dpm_run_callback+0x5b/0x150 > [ 187.066043] device_resume+0x11b/0x220 > > Voltage regulators are optional, so functions must check they exist > before dereferencing. > > Note this issue is hidden if CONFIG_REGULATORS is not set, because the > offending code is optimised away. Applied to 5.3/scsi-fixes, thanks! -- Martin K. Petersen Oracle Linux Engineering
