Commit 571cf296 authored May 07, 2020 by Po Liu Committed by David S. Miller May 07, 2020

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>

parent 7f960633

drivers/net/ethernet/freescale/enetc/enetc_qos.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);
		}
		}

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