On 3/11/21 7:30 AM, Lv Yunlong wrote:
> In myrs_cleanup, cs->mmio_base will be freed twice by
> iounmap().
>
> Fixes: 77266186397c6 ("scsi: myrs: Add Mylex RAID controller (SCSI interface)")
> Signed-off-by: Lv Yunlong <lyl2019@xxxxxxxxxxxxxxxx>
> ---
> drivers/scsi/myrs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/myrs.c b/drivers/scsi/myrs.c
> index 4adf9ded296a..329fd025c718 100644
> --- a/drivers/scsi/myrs.c
> +++ b/drivers/scsi/myrs.c
> @@ -2273,12 +2273,12 @@ static void myrs_cleanup(struct myrs_hba *cs)
> 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);
>
Reviewed-by: Hannes Reinecke <hare@xxxxxxx>
Cheers,
Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
hare@xxxxxxx +49 911 74053 688
SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), GF: Felix Imendörffer
