From: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Date: Thu, 19 May 2016 22:24:20 +0000 (-0400)
Subject: Fix: don't negate posix_fadvise return value to check error
X-Git-Tag: v2.9.0-rc1~153
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=a74a5f4a84e873edb42c8c0221064147912befd9;p=lttng-tools.git

Fix: don't negate posix_fadvise return value to check error

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/src/common/consumer/consumer.c b/src/common/consumer/consumer.c
index 7ce294e81..6773fbae8 100644
--- a/src/common/consumer/consumer.c
+++ b/src/common/consumer/consumer.c
@@ -1266,8 +1266,8 @@ void lttng_consumer_sync_trace_file(struct lttng_consumer_stream *stream,
 	ret = posix_fadvise(outfd, orig_offset - stream->max_sb_size,
 			stream->max_sb_size, POSIX_FADV_DONTNEED);
 	if (ret && ret != -ENOSYS) {
-		errno = -ret;
-		PERROR("posix_fadvise");
+		errno = ret;
+		PERROR("posix_fadvise on fd %i", outfd);
 	}
 }