| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 276/329] cxgb4: Fix queue free path of ULD drivers | Date | Mon, 28 May 2018 12:03:25 +0200 |
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4.9-stable review patch. If anyone has any objections, please let me know.
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From: Arjun Vynipadath <arjun@chelsio.com>
[ Upstream commit d7cb44496a9bb458632cb3c18acb08949c210448 ]
Setting sge_uld_rxq_info to NULL in free_queues_uld(). We are referencing sge_uld_rxq_info in cxgb_up(). This will fix a panic when interface is brought up after a ULDq creation failure.
Fixes: 94cdb8bb993a (cxgb4: Add support for dynamic allocation of resources for ULD) Signed-off-by: Arjun Vynipadath <arjun@chelsio.com> Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudhar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c @@ -342,6 +342,7 @@ static void free_queues_uld(struct adapt { struct sge_uld_rxq_info *rxq_info = adap->sge.uld_rxq_info[uld_type]; + adap->sge.uld_rxq_info[uld_type] = NULL; kfree(rxq_info->rspq_id); kfree(rxq_info->uldrxq); kfree(rxq_info);
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