[PATCH 4.4 024/192] [PATCH 024/135] fm10k: Cleanup MSI-X interrupts in case of failure

From: Greg Kroah-Hartman
Date: Mon Sep 12 2016 - 13:40:25 EST


4.4-stable review patch. If anyone has any objections, please let me know.

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[ 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@xxxxxxxxxxxx>
Reviewed-by: Bruce Allan <bruce.w.allan@xxxxxxxxx>
Tested-by: Krishneil Singh <Krishneil.k.singh@xxxxxxxxx>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/intel/fm10k/fm10k_main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- 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 fm

/* 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);