ath9k: remove a bogus WARN_ON
On embedded hardware it's normal to not have a PCI device for the PCI
bridge that the wifi card is attached to. pdev->bus->self will be
NULL in that case. In that case, simply return without emitting an
useless kernel stack trace.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 8bd8e85..d704c8d 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -126,7 +126,7 @@
* Both upstream and downstream PCIe components should
* have the same ASPM settings.
*/
- if (WARN_ON(!parent))
+ if (!parent)
return;
pos = pci_pcie_cap(parent);
@@ -137,7 +137,7 @@
return;
}
- if (WARN_ON(!parent))
+ if (!parent)
return;
pos = pci_pcie_cap(parent);