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c2aa794)
errno is only set when lttng_read returns a negative value. Else, we
need to print a ERR() statement rather than use PERROR().
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
}
ret = lttng_read(fd, element, len);
}
ret = lttng_read(fd, element, len);
PERROR("read index file");
goto error;
}
PERROR("read index file");
goto error;
}
+ if (ret < len) {
+ ERR("lttng_read expected %zu, returned %zd", len, ret);
+ goto error;
+ }