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i40iw: Fix error handling in i40iw_manage_arp_cache()

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[ Upstream commit 37e31d2d26a4124506c24e95434e9baf3405a23a ]

The i40iw_arp_table() function can return -EOVERFLOW if
i40iw_alloc_resource() fails so we can't just test for "== -1".

Fixes: 4e9042e647 ("i40iw: add hw and utils files")
Link: https://lore.kernel.org/r/20200422092211.GA195357@mwanda
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2020-04-22 12:22:11 +03:00 committed by Greg Kroah-Hartman
parent 6f5c38c7b0
commit 3d03be7515
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/i40iw/i40iw_hw.c
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@ -534,7 +534,7 @@ void i40iw_manage_arp_cache(struct i40iw_device *iwdev,
int arp_index;
arp_index = i40iw_arp_table(iwdev, ip_addr, ipv4, mac_addr, action);
if (arp_index == -1)
if (arp_index < 0)
return;
cqp_request = i40iw_get_cqp_request(&iwdev->cqp, false);
if (!cqp_request)