patches for DPDK stable branches
 help / color / Atom feed
* [dpdk-stable] [PATCH] bus/pci: clear undefined bits in Windows segment parsing
@ 2020-10-14 19:30 Tal Shnaiderman
  2020-10-14 20:44 ` Ranjit Menon
  2020-10-15 18:45 ` Narcisa Ana Maria Vasile
  0 siblings, 2 replies; 4+ messages in thread
From: Tal Shnaiderman @ 2020-10-14 19:30 UTC (permalink / raw)
  To: dev
  Cc: thomas, pallavi.kadam, dmitry.kozliuk, ranjit.menon, navasile,
	dmitrym, stable

When reading bus and segment values using SPDRP_BUSNUMBER
bits 24-31 are undefined.

They are cleared to verify we read the segment number correctly.

Fixes: c3adf8144a1 ("bus/pci: support segment value as address domain on Window")
Cc: stable@dpdk.org

Signed-off-by: Tal Shnaiderman <talshn@nvidia.com>
---
 drivers/bus/pci/windows/pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/bus/pci/windows/pci.c b/drivers/bus/pci/windows/pci.c
index 2cd010a09b..2b0a7a7c86 100644
--- a/drivers/bus/pci/windows/pci.c
+++ b/drivers/bus/pci/windows/pci.c
@@ -195,7 +195,7 @@ get_device_pci_address(HDEVINFO dev_info,
 		return -1;
 	}
 
-	addr->domain = bus_num >> 8;
+	addr->domain = (bus_num >> 8) & 0xffff;
 	addr->bus = bus_num & 0xff;
 	addr->devid = dev_and_func >> 16;
 	addr->function = dev_and_func & 0xffff;
-- 
2.16.1.windows.4


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, back to index

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-10-14 19:30 [dpdk-stable] [PATCH] bus/pci: clear undefined bits in Windows segment parsing Tal Shnaiderman
2020-10-14 20:44 ` Ranjit Menon
2020-10-15 18:45 ` Narcisa Ana Maria Vasile
2020-10-16 10:22   ` [dpdk-stable] [dpdk-dev] " Thomas Monjalon

patches for DPDK stable branches

Archives are clonable:
	git clone --mirror http://inbox.dpdk.org/stable/0 stable/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 stable stable/ http://inbox.dpdk.org/stable \
		stable@dpdk.org
	public-inbox-index stable


Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.stable


AGPL code for this site: git clone https://public-inbox.org/ public-inbox