[PATCH 5/5] ath10k: fix failpath in MSI-X setup

[Michal Kazior]

pci_disable_msi() must be called if the initial
request_irq() fails.

Also add a warning message so it's possible to
distinguish request_irq() failure and
pci_enable_msi() failure.

Signed-off-by: Michal Kazior <michal.kazior at tieto.com>
---
 drivers/net/wireless/ath/ath10k/pci.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index c71b488..d95439b 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -1990,8 +1990,13 @@ static int ath10k_pci_start_intr_msix(struct ath10k *ar, int num)
 	ret = request_irq(ar_pci->pdev->irq + MSI_ASSIGN_FW,
 			  ath10k_pci_msi_fw_handler,
 			  IRQF_SHARED, "ath10k_pci", ar);
-	if (ret)
+	if (ret) {
+		ath10k_warn("request_irq(%d) failed %d\n",
+			    ar_pci->pdev->irq + MSI_ASSIGN_FW, ret);
+
+		pci_disable_msi(ar_pci->pdev);
 		return ret;
+	}
 
 	for (i = MSI_ASSIGN_CE_INITIAL; i <= MSI_ASSIGN_CE_MAX; i++) {
 		ret = request_irq(ar_pci->pdev->irq + i,
-- 
1.7.9.5