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octeontx2-af: Fix possible null pointer dereference.

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

Fixes: 8756828a81 ("octeontx2-af: Add NPA aura and pool contexts to debugfs")
Fixes: 9a946def26 ("octeontx2-af: Modify nix_vtag_cfg mailbox to support TX VTAG entries")
Signed-off-by: Rakesh Babu Saladi <rsaladi2@marvell.com>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rakesh Babu Saladi 2021-10-27 23:02:34 +05:30 committed by David S. Miller
parent e77bcdd1f6
commit c2d4c543f7
2 changed files with 4 additions and 1 deletions
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2
drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
View File

@ -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;
}

3
drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
View File

@ -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);