From: Alexander Duyck <aduyck@mirantis.com>
Date: Tue, 27 Oct 2015 23:59:12 +0000 (-0700)
Subject: fm10k: Cleanup MSI-X interrupts in case of failure
X-Git-Tag: firefly_0821_release~176^2~4^2~31^2~169
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e0ee2ce51824680b687a73857ef64182bbfd3a14;p=firefly-linux-kernel-4.4.55.git

fm10k: Cleanup MSI-X interrupts in case of failure

[ Upstream commit 587731e684dcf3522215194a02357d26b9bc7277 ]

If the q_vector allocation fails we should free the resources associated
with the MSI-X vector table.

Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Reviewed-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c
index 746a1986690b..09281558bfbc 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c
@@ -1970,8 +1970,10 @@ int fm10k_init_queueing_scheme(struct fm10k_intfc *interface)
 
 	/* Allocate memory for queues */
 	err = fm10k_alloc_q_vectors(interface);
-	if (err)
+	if (err) {
+		fm10k_reset_msix_capability(interface);
 		return err;
+	}
 
 	/* Map rings to devices, and map devices to physical queues */
 	fm10k_assign_rings(interface);