From: Lv Yunlong <[email protected]> commit 2bb817712e2f77486d6ee17e7efaf91997a685f8 upstream.
In myrs_cleanup(), cs->mmio_base will be freed twice by iounmap(). Link: https://lore.kernel.org/r/[email protected] Fixes: 77266186397c ("scsi: myrs: Add Mylex RAID controller (SCSI interface)") Reviewed-by: Hannes Reinecke <[email protected]> Signed-off-by: Lv Yunlong <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/scsi/myrs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/scsi/myrs.c +++ b/drivers/scsi/myrs.c @@ -2274,12 +2274,12 @@ static void myrs_cleanup(struct myrs_hba if (cs->mmio_base) { cs->disable_intr(cs); iounmap(cs->mmio_base); + cs->mmio_base = NULL; } if (cs->irq) free_irq(cs->irq, cs); if (cs->io_addr) release_region(cs->io_addr, 0x80); - iounmap(cs->mmio_base); pci_set_drvdata(pdev, NULL); pci_disable_device(pdev); scsi_host_put(cs->host);
