Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 26/90] nfp: abm: fix a memory leak bug | Date | Wed, 13 May 2020 11:44:22 +0200 |
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From: Qiushi Wu <wu000273@umn.edu>
[ Upstream commit bd4af432cc71b5fbfe4833510359a6ad3ada250d ]
In function nfp_abm_vnic_set_mac, pointer nsp is allocated by nfp_nsp_open. But when nfp_nsp_has_hwinfo_lookup fail, the pointer is not released, which can lead to a memory leak bug. Fix this issue by adding nfp_nsp_close(nsp) in the error path.
Fixes: f6e71efdf9fb1 ("nfp: abm: look up MAC addresses via management FW") Signed-off-by: Qiushi Wu <wu000273@umn.edu> Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/net/ethernet/netronome/nfp/abm/main.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/net/ethernet/netronome/nfp/abm/main.c +++ b/drivers/net/ethernet/netronome/nfp/abm/main.c @@ -283,6 +283,7 @@ nfp_abm_vnic_set_mac(struct nfp_pf *pf, if (!nfp_nsp_has_hwinfo_lookup(nsp)) { nfp_warn(pf->cpp, "NSP doesn't support PF MAC generation\n"); eth_hw_addr_random(nn->dp.netdev); + nfp_nsp_close(nsp); return; }
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