diff options
| author | Florinel Iordache <florinel.iordache@nxp.com> | 2020-08-03 10:07:33 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-08-03 16:20:15 -0700 |
| commit | cc5d229a122106733a85c279d89d7703f21e4d4f (patch) | |
| tree | a20b099fdecbb89f154dd34b154d57bbc78a756b /drivers/net/ethernet/freescale/fman/fman_tgec.c | |
| parent | cc79fd8f557767de90ff199d3b6fb911df43160a (diff) | |
fsl/fman: check dereferencing null pointer
Add a safe check to avoid dereferencing null pointer
Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/fman/fman_tgec.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/fman/fman_tgec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/freescale/fman/fman_tgec.c b/drivers/net/ethernet/freescale/fman/fman_tgec.c index 8c7eb878d5b4..41946b16f6c7 100644 --- a/drivers/net/ethernet/freescale/fman/fman_tgec.c +++ b/drivers/net/ethernet/freescale/fman/fman_tgec.c @@ -626,7 +626,7 @@ int tgec_del_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr) list_for_each(pos, &tgec->multicast_addr_hash->lsts[hash]) { hash_entry = ETH_HASH_ENTRY_OBJ(pos); - if (hash_entry->addr == addr) { + if (hash_entry && hash_entry->addr == addr) { list_del_init(&hash_entry->node); kfree(hash_entry); break; |