diff options
| author |   Egil Hjelmeland <privat@egil-hjelmeland.no> | 2017-12-07 19:56:04 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-12-08 14:12:33 -0500 |
| commit | 2e8d243e887c8802b373338ddff684aa0578be3b (patch) | |
| tree | a954e778e154c3c6fe325cc51c54e4c5c8cd96c0 /include/linux/dsa | |
| parent | net: sched: fix use-after-free in tcf_block_put_ext (diff) | |
| download | linux-dev-2e8d243e887c8802b373338ddff684aa0578be3b.tar.xz linux-dev-2e8d243e887c8802b373338ddff684aa0578be3b.zip | |
net: dsa: lan9303: Protect ALR operations with mutex
ALR table operations are a sequence of related register operations which
should be protected from concurrent access. The alr_cache should also be
protected. Add alr_mutex doing that.
Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/dsa')
| -rw-r--r-- | include/linux/dsa/lan9303.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/dsa/lan9303.h b/include/linux/dsa/lan9303.h index f48a85c377de..b6514c29563f 100644 --- a/include/linux/dsa/lan9303.h +++ b/include/linux/dsa/lan9303.h @@ -26,6 +26,7 @@ struct lan9303 { bool phy_addr_sel_strap; struct dsa_switch *ds; struct mutex indirect_mutex; /* protect indexed register access */ + struct mutex alr_mutex; /* protect ALR access */ const struct lan9303_phy_ops *ops; bool is_bridged; /* true if port 1 and 2 are bridged */ |