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authorJiri Pirko <jiri@mellanox.com>2019-03-24 02:21:03 +0300
committerDavid S. Miller <davem@davemloft.net>2019-03-26 21:25:29 +0300
commitc493b09b2792336f471d2206be180a4b4c1fc9ba (patch)
tree7259781362e5ebbe450ffdd305347fdeeea3b655 /net
parent450895d04ba13a96886eddfeddb11556ae8624f1 (diff)
downloadlinux-c493b09b2792336f471d2206be180a4b4c1fc9ba.tar.xz
net: devlink: skip info_get op call if it is not defined in dumpit
In dumpit, unlike doit, the check for info_get op being defined is missing. Add it and avoid null pointer dereference in case driver does not define this op. Fixes: f9cf22882c60 ("devlink: add device information API") Reported-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/devlink.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/core/devlink.c b/net/core/devlink.c
index 78e22cea4cc7..da0a29f30885 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -3897,6 +3897,11 @@ static int devlink_nl_cmd_info_get_dumpit(struct sk_buff *msg,
continue;
}
+ if (!devlink->ops->info_get) {
+ idx++;
+ continue;
+ }
+
mutex_lock(&devlink->lock);
err = devlink_nl_info_fill(msg, devlink, DEVLINK_CMD_INFO_GET,
NETLINK_CB(cb->skb).portid,