diff options
| author | Breno Leitao <leitao@debian.org> | 2025-04-08 11:32:01 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-04-10 18:34:05 -0700 |
| commit | b1e904999542ad6764eafa54545f1c55776006d1 (patch) | |
| tree | a2ae4660799adfafaaa761766e79593d702ef16b /include/linux/socket.h | |
| parent | 82e401319b595bd9843cd7a46d035c00894cfe73 (diff) | |
| download | lwn-b1e904999542ad6764eafa54545f1c55776006d1.tar.gz lwn-b1e904999542ad6764eafa54545f1c55776006d1.zip | |
net: pass const to msg_data_left()
The msg_data_left() function doesn't modify the struct msghdr parameter,
so mark it as const. This allows the function to be used with const
references, improving type safety and making the API more flexible.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250408-tcpsendmsg-v3-1-208b87064c28@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/socket.h')
| -rw-r--r-- | include/linux/socket.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/socket.h b/include/linux/socket.h index c3322eb3d686..3b262487ec06 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -168,7 +168,7 @@ static inline struct cmsghdr * cmsg_nxthdr (struct msghdr *__msg, struct cmsghdr return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg); } -static inline size_t msg_data_left(struct msghdr *msg) +static inline size_t msg_data_left(const struct msghdr *msg) { return iov_iter_count(&msg->msg_iter); } |