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authorJakub Kicinski <kuba@kernel.org>2023-08-14 14:47:23 -0700
committerJakub Kicinski <kuba@kernel.org>2023-08-15 15:01:03 -0700
commitf946270d05c26044c67511ef5a9d91e06962d79f (patch)
tree5e2ed5a4d6937188be0b8b3f13746716ec5a50a3 /net/ethtool/strset.c
parentec0e5b09b834da3889be8458bb0451c3baa803d9 (diff)
ethtool: netlink: always pass genl_info to .prepare_data
We had a number of bugs in the past because developers forgot to fully test dumps, which pass NULL as info to .prepare_data. .prepare_data implementations would try to access info->extack leading to a null-deref. Now that dumps and notifications can access struct genl_info we can pass it in, and remove the info null checks. Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com> # pause Reviewed-by: Jiri Pirko <jiri@nvidia.com> Link: https://lore.kernel.org/r/20230814214723.2924989-11-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ethtool/strset.c')
-rw-r--r--net/ethtool/strset.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ethtool/strset.c b/net/ethtool/strset.c
index 3f7de54d85fb..c678b484a079 100644
--- a/net/ethtool/strset.c
+++ b/net/ethtool/strset.c
@@ -274,7 +274,7 @@ static int strset_prepare_set(struct strset_info *info, struct net_device *dev,
static int strset_prepare_data(const struct ethnl_req_info *req_base,
struct ethnl_reply_data *reply_base,
- struct genl_info *info)
+ const struct genl_info *info)
{
const struct strset_req_info *req_info = STRSET_REQINFO(req_base);
struct strset_reply_data *data = STRSET_REPDATA(reply_base);