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authorYevhen Orlov2021-12-16 19:07:36 +0200
committerJakub Kicinski2021-12-17 19:19:00 -0800
commit8b681bd7c301c423fbe97a6b23388a2180ff04ca (patch)
treef85ae44221e018f1e9dd366b70104642a54f9fe5 /drivers/net
parentf845fe5819efc4111c456c102f15db6d9ed3406e (diff)
net: marvell: prestera: fix incorrect return of port_find
In case, when some ports is in list and we don't find requested - we return last iterator state and not return NULL as expected. Fixes: 501ef3066c89 ("net: marvell: prestera: Add driver for Prestera family ASIC devices") Signed-off-by: Yevhen Orlov <yevhen.orlov@plvision.eu> Link: https://lore.kernel.org/r/20211216170736.8851-1-yevhen.orlov@plvision.eu Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/marvell/prestera/prestera_main.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_main.c b/drivers/net/ethernet/marvell/prestera/prestera_main.c
index 4369a3ffad45..6c24375ad9cf 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_main.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_main.c
@@ -54,12 +54,14 @@ int prestera_port_pvid_set(struct prestera_port *port, u16 vid)
struct prestera_port *prestera_port_find_by_hwid(struct prestera_switch *sw,
u32 dev_id, u32 hw_id)
{
- struct prestera_port *port = NULL;
+ struct prestera_port *port = NULL, *tmp;
read_lock(&sw->port_list_lock);
- list_for_each_entry(port, &sw->port_list, list) {
- if (port->dev_id == dev_id && port->hw_id == hw_id)
+ list_for_each_entry(tmp, &sw->port_list, list) {
+ if (tmp->dev_id == dev_id && tmp->hw_id == hw_id) {
+ port = tmp;
break;
+ }
}
read_unlock(&sw->port_list_lock);
@@ -68,12 +70,14 @@ struct prestera_port *prestera_port_find_by_hwid(struct prestera_switch *sw,
struct prestera_port *prestera_find_port(struct prestera_switch *sw, u32 id)
{
- struct prestera_port *port = NULL;
+ struct prestera_port *port = NULL, *tmp;
read_lock(&sw->port_list_lock);
- list_for_each_entry(port, &sw->port_list, list) {
- if (port->id == id)
+ list_for_each_entry(tmp, &sw->port_list, list) {
+ if (tmp->id == id) {
+ port = tmp;
break;
+ }
}
read_unlock(&sw->port_list_lock);