shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-08 11:50:43 +09:00
Code Issues Packages Projects Releases Wiki Activity

PCI/switchtec: Fix vep_vector_number ioread width

Browse Source 
commit 9375646b4c upstream.

vep_vector_number is actually a 16 bit register which should be read with
ioread16() instead of ioread32().

Fixes: 080b47def5 ("MicroSemi Switchtec management interface driver")
Link: https://lore.kernel.org/r/20200106190337.2428-3-logang@deltatee.com
Reported-by: Doug Meyer <dmeyer@gigaio.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Logan Gunthorpe
2020-01-06 12:03:27 -07:00
committed by Greg Kroah-Hartman
parent b72b8d0725
commit df26f04f23
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/pci/switch/switchtec.c
View File

@@ -1276,7 +1276,7 @@ static int switchtec_init_isr(struct switchtec_dev *stdev)
if (nvecs < 0)
return nvecs;
event_irq = ioread32(&stdev->mmio_part_cfg->vep_vector_number);
event_irq = ioread16(&stdev->mmio_part_cfg->vep_vector_number);
if (event_irq < 0 || event_irq >= nvecs)
return -EFAULT;