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| author | Jakub Kicinski <kuba@kernel.org> | 2022-08-25 20:09:32 -0700 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2022-08-30 12:20:43 +0200 |
| commit | 45dca15759643806660e9285e6af8a1ba3c76c82 (patch) | |
| tree | 8103714a8db796c0ebe105ecb4fc9fd99c60bade /include/net/genetlink.h | |
| parent | 690252f19f0e486abb8590b3a7a03d4e065d93d4 (diff) | |
| download | linux-45dca15759643806660e9285e6af8a1ba3c76c82.tar.bz2 | |
netlink: add helpers for extack attr presence checking
Being able to check attribute presence and set extack
if not on one line is handy, add helpers.
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'include/net/genetlink.h')
| -rw-r--r-- | include/net/genetlink.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/net/genetlink.h b/include/net/genetlink.h index a4827b5e1e07..8f780170e2f8 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -110,6 +110,13 @@ static inline void genl_info_net_set(struct genl_info *info, struct net *net) #define GENL_SET_ERR_MSG(info, msg) NL_SET_ERR_MSG((info)->extack, msg) +/* Report that a root attribute is missing */ +#define GENL_REQ_ATTR_CHECK(info, attr) ({ \ + struct genl_info *__info = (info); \ + \ + NL_REQ_ATTR_CHECK(__info->extack, NULL, __info->attrs, (attr)); \ +}) + enum genl_validate_flags { GENL_DONT_VALIDATE_STRICT = BIT(0), GENL_DONT_VALIDATE_DUMP = BIT(1), |