[PATCH -next] vfio: platform: reset: add missing iounmap() on error in vfio_platform_amdxgbe_reset()

From: Yang Yingliang
Date: Thu May 13 2021 - 01:07:14 EST


Add the missing iounmap() before return from vfio_platform_amdxgbe_reset()
in the error handling case.

Fixes: 0990822c9866 ("VFIO: platform: reset: AMD xgbe reset module")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c b/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
index abdca900802d..c6d823a27bd6 100644
--- a/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
+++ b/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
@@ -61,8 +61,10 @@ static int vfio_platform_amdxgbe_reset(struct vfio_platform_device *vdev)
if (!xpcs_regs->ioaddr) {
xpcs_regs->ioaddr =
ioremap(xpcs_regs->addr, xpcs_regs->size);
- if (!xpcs_regs->ioaddr)
+ if (!xpcs_regs->ioaddr) {
+ iounmap(xgmac_regs->ioaddr);
return -ENOMEM;
+ }
}

/* reset the PHY through MDIO*/
--
2.25.1