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.desnoy...@efficios.com>
---
src/common/index/index.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/common/index/index.c b/src/common/index/index.c
index 12d54e00..9bfb56fa 100644
--- a/src/common/index/index.c
+++ b/src/common/index/index.c
@@ -171,10 +171,14 @@ int lttng_index_file_read(const struct lttng_index_file
*index_file,
}
ret = lttng_read(fd, element, len);
- if (ret < len) {
+ if (ret < 0) {
PERROR("read index file");
goto error;
}
+ if (ret < len) {
+ ERR("lttng_read expected %zu, returned %zd", len, ret);
+ goto error;
+ }
return 0;
error:
--
2.17.1
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