diff mbox series

[4.4,174/312] VFIO: platform: reset: fix a warning message condition

Message ID 20200508123136.734835774@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman May 8, 2020, 12:32 p.m. UTC 
From: Dan Carpenter <dan.carpenter@oracle.com>

commit 967628827f404b3063016c138ccc7b06c54350f8 upstream.

This loop ends with count set to -1 and not zero so the warning message
isn't printed when it should be.  I've fixed this by change the postop
to a preop.

Fixes: 0990822c9866 ('VFIO: platform: reset: AMD xgbe reset module')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Eric Auger <eric.auger@linaro.org>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/vfio/platform/reset/vfio_platform_amdxgbe.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

--- a/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
+++ b/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
@@ -110,7 +110,7 @@  int vfio_platform_amdxgbe_reset(struct v
 	usleep_range(10, 15);
 
 	count = 2000;
-	while (count-- && (ioread32(xgmac_regs->ioaddr + DMA_MR) & 1))
+	while (--count && (ioread32(xgmac_regs->ioaddr + DMA_MR) & 1))
 		usleep_range(500, 600);
 
 	if (!count)