diff options
| author | Jerry Wu <w.7erry@foxmail.com> | 2025-12-25 20:36:17 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-01-17 16:31:23 +0100 |
| commit | 03fb1708b7d1e76aecebf767ad059c319845039f (patch) | |
| tree | 1d6eeaaa904d20e6eedafc0a1ebd6d678f642be9 /include/net/aligned_data.h | |
| parent | 269c9283ff7f27d51da4a7c0c5007ef365707855 (diff) | |
net: mscc: ocelot: Fix crash when adding interface under a lag
[ Upstream commit 34f3ff52cb9fa7dbf04f5c734fcc4cb6ed5d1a95 ]
Commit 15faa1f67ab4 ("lan966x: Fix crash when adding interface under a lag")
fixed a similar issue in the lan966x driver caused by a NULL pointer dereference.
The ocelot_set_aggr_pgids() function in the ocelot driver has similar logic
and is susceptible to the same crash.
This issue specifically affects the ocelot_vsc7514.c frontend, which leaves
unused ports as NULL pointers. The felix_vsc9959.c frontend is unaffected as
it uses the DSA framework which registers all ports.
Fix this by checking if the port pointer is valid before accessing it.
Fixes: 528d3f190c98 ("net: mscc: ocelot: drop the use of the "lags" array")
Signed-off-by: Jerry Wu <w.7erry@foxmail.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/tencent_75EF812B305E26B0869C673DD1160866C90A@qq.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/net/aligned_data.h')
0 files changed, 0 insertions, 0 deletions