Found by Coverity:
CID
1019971 (#1 of 1): Unchecked return value from library
(CHECKED_RETURN)2. check_return: Calling posix_fadvise(outfd,
orig_offset - stream->max_sb_size, stream->max_sb_size, 4) without
checking return value. This library function may fail and return an
error code.
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
void lttng_consumer_sync_trace_file(struct lttng_consumer_stream *stream,
off_t orig_offset)
{
+ int ret;
int outfd = stream->out_fd;
/*
* defined. So it can be expected to lead to lower throughput in
* streaming.
*/
- posix_fadvise(outfd, orig_offset - stream->max_sb_size,
+ ret = posix_fadvise(outfd, orig_offset - stream->max_sb_size,
stream->max_sb_size, POSIX_FADV_DONTNEED);
+ if (ret) {
+ WARN("posix_fadvise() error (%i)", ret);
+ }
}
/*