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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-11 06:24:30 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-11 06:24:30 +0100 |
| commit | 01b59c763fe2de845b65900485b141fdd7bbf93e (patch) | |
| tree | 91d9fe9954de096c87c5f714e5c741221af846f2 /include/linux/skmsg.h | |
| parent | a61ead03a6f2768d501be08d7f5efd7fb3e71555 (diff) | |
| parent | 31f4f5b495a62c9a8b15b1c3581acd5efeb9af8c (diff) | |
Merge 5.4-rc7 into char-misc-next
We need the char/misc driver fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/skmsg.h')
| -rw-r--r-- | include/linux/skmsg.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h index e4b3fb4bb77c..ce7055259877 100644 --- a/include/linux/skmsg.h +++ b/include/linux/skmsg.h @@ -139,6 +139,11 @@ static inline void sk_msg_apply_bytes(struct sk_psock *psock, u32 bytes) } } +static inline u32 sk_msg_iter_dist(u32 start, u32 end) +{ + return end >= start ? end - start : end + (MAX_MSG_FRAGS - start); +} + #define sk_msg_iter_var_prev(var) \ do { \ if (var == 0) \ @@ -198,9 +203,7 @@ static inline u32 sk_msg_elem_used(const struct sk_msg *msg) if (sk_msg_full(msg)) return MAX_MSG_FRAGS; - return msg->sg.end >= msg->sg.start ? - msg->sg.end - msg->sg.start : - msg->sg.end + (MAX_MSG_FRAGS - msg->sg.start); + return sk_msg_iter_dist(msg->sg.start, msg->sg.end); } static inline struct scatterlist *sk_msg_elem(struct sk_msg *msg, int which) |