diff options
Diffstat (limited to 'net/netlink/genetlink.c')
| -rw-r--r-- | net/netlink/genetlink.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 770726ac491e..7c04df1bee2b 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -189,11 +189,17 @@ static int genl_get_cmd(u32 cmd, const struct genl_family *family, return genl_get_cmd_small(cmd, family, op); } -static void +static int genl_cmd_full_to_split(struct genl_split_ops *op, const struct genl_family *family, const struct genl_ops *full, u8 flags) { + if ((flags & GENL_CMD_CAP_DO && !full->doit) || + (flags & GENL_CMD_CAP_DUMP && !full->dumpit)) { + memset(op, 0, sizeof(*op)); + return -ENOENT; + } + if (flags & GENL_CMD_CAP_DUMP) { op->start = full->start; op->dumpit = full->dumpit; @@ -220,6 +226,8 @@ genl_cmd_full_to_split(struct genl_split_ops *op, /* Make sure flags include the GENL_CMD_CAP_DO / GENL_CMD_CAP_DUMP */ op->flags |= flags; + + return 0; } static int @@ -235,9 +243,7 @@ genl_get_cmd_split(u32 cmd, u8 flags, const struct genl_family *family, return err; } - genl_cmd_full_to_split(op, family, &full, flags); - - return 0; + return genl_cmd_full_to_split(op, family, &full, flags); } static void genl_get_cmd_by_index(unsigned int i, @@ -730,9 +736,6 @@ static int genl_family_rcv_msg_dumpit(const struct genl_family *family, struct genl_start_context ctx; int err; - if (!ops->dumpit) - return -EOPNOTSUPP; - ctx.family = family; ctx.nlh = nlh; ctx.extack = extack; @@ -777,9 +780,6 @@ static int genl_family_rcv_msg_doit(const struct genl_family *family, struct genl_info info; int err; - if (!ops->doit) - return -EOPNOTSUPP; - attrbuf = genl_family_rcv_msg_attrs_parse(family, nlh, extack, ops, hdrlen, GENL_DONT_VALIDATE_STRICT); |