diff options
| author | Po Liu <Po.Liu@nxp.com> | 2020-05-07 13:57:38 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-05-07 23:05:46 +0300 |
| commit | 571cf29644542b9e410ed102cb35ecb27b4fdfa3 (patch) | |
| tree | 9ce6f7827d196fa6d52357d8f58a2b7e1bd73c47 | |
| parent | 7f960633a458136d168f2049508d39cba8be55bd (diff) | |
| download | linux-571cf29644542b9e410ed102cb35ecb27b4fdfa3.tar.xz | |
net:enetc: bug fix for qos sfi operate space after freed
'Dan Carpenter' reported:
This code frees "sfi" and then dereferences it on the next line:
> kfree(sfi);
> clear_bit(sfi->index, epsfp.psfp_sfi_bitmap);
This "sfi->index" should be "index".
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Po Liu <Po.Liu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc_qos.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_qos.c b/drivers/net/ethernet/freescale/enetc/enetc_qos.c index 172acb602ccb..fd3df19eaa32 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_qos.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_qos.c @@ -903,7 +903,7 @@ static void stream_filter_unref(struct enetc_ndev_priv *priv, u32 index) enetc_streamfilter_hw_set(priv, sfi, false); hlist_del(&sfi->node); kfree(sfi); - clear_bit(sfi->index, epsfp.psfp_sfi_bitmap); + clear_bit(index, epsfp.psfp_sfi_bitmap); } } |