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authorQiushi Wu <wu000273@umn.edu>2020-05-03 01:42:59 +0300
committerDavid S. Miller <davem@davemloft.net>2020-05-04 22:04:12 +0300
commitbd4af432cc71b5fbfe4833510359a6ad3ada250d (patch)
tree6eba1b8b3c7f1ac43163fed68f8154f2832ec410
parent8d9f73c0ad2f20e9fed5380de0a3097825859d03 (diff)
downloadlinux-bd4af432cc71b5fbfe4833510359a6ad3ada250d.tar.xz
nfp: abm: fix a memory leak bug
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>
-rw-r--r--drivers/net/ethernet/netronome/nfp/abm/main.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/abm/main.c b/drivers/net/ethernet/netronome/nfp/abm/main.c
index 9183b3e85d21..354efffac0f9 100644
--- 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, struct nfp_abm *abm, struct nfp_net *nn,
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;
}