Commit c2d4c543 authored by Rakesh Babu Saladi's avatar Rakesh Babu Saladi Committed by David S. Miller
Browse files

octeontx2-af: Fix possible null pointer dereference. 



This patch fixes possible null pointer dereference in files
"rvu_debugfs.c" and "rvu_nix.c"

Fixes: 8756828a ("octeontx2-af: Add NPA aura and pool contexts to debugfs")
Fixes: 9a946def ("octeontx2-af: Modify nix_vtag_cfg mailbox to support TX VTAG entries")
Signed-off-by: default avatarRakesh Babu Saladi <rsaladi2@marvell.com>
Signed-off-by: default avatarSubbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: default avatarSunil Goutham <sgoutham@marvell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e77bcdd1

drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c

+1 −1
Original line number Diff line number Diff line
@@ -578,7 +578,7 @@ static ssize_t rvu_dbg_qsize_write(struct file *filp, 
	if (cmd_buf)

		ret = -EINVAL;



	if (!strncmp(subtoken, "help", 4) || ret < 0) {

	if (ret < 0 || !strncmp(subtoken, "help", 4)) {

		dev_info(rvu->dev, "Use echo <%s-lf > qsize\n", blk_string);

		goto qsize_write_done;

	}

drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c

+3 −0
Original line number Diff line number Diff line
@@ -2507,6 +2507,9 @@ static void nix_free_tx_vtag_entries(struct rvu *rvu, u16 pcifunc) 
		return;



	nix_hw = get_nix_hw(rvu->hw, blkaddr);

	if (!nix_hw)

		return;



	vlan = &nix_hw->txvlan;



	mutex_lock(&vlan->rsrc_lock);