diff options
Diffstat (limited to 'include/linux/trace_seq.h')
| -rw-r--r-- | include/linux/trace_seq.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h index 557780fe1c77..4a0b8c172d27 100644 --- a/include/linux/trace_seq.h +++ b/include/linux/trace_seq.h @@ -80,6 +80,19 @@ static inline bool trace_seq_has_overflowed(struct trace_seq *s) return s->full || seq_buf_has_overflowed(&s->seq); } +/** + * trace_seq_pop - pop off the last written character + * @s: trace sequence descriptor + * + * Removes the last written character to the trace_seq @s. + * + * Returns the last character or -1 if it is empty. + */ +static inline int trace_seq_pop(struct trace_seq *s) +{ + return seq_buf_pop(&s->seq); +} + /* * Currently only defined when tracing is enabled. */ |
