From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 29 May 2014 18:52:53 +0000 (-0400)
Subject: Fix: statedump block devices OOPS
X-Git-Tag: v2.5.0-rc2~5
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=5a91f3dfb2ea8b50bfcba45c4440cf20735ea3ee;p=lttng-modules.git

Fix: statedump block devices OOPS

Fixes #799

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/lttng-statedump-impl.c b/lttng-statedump-impl.c
index 1bf58ad4..c8ac2d12 100644
--- a/lttng-statedump-impl.c
+++ b/lttng-statedump-impl.c
@@ -140,6 +140,14 @@ int lttng_enumerate_block_devices(struct lttng_session *session)
 		struct gendisk *disk = dev_to_disk(dev);
 		struct hd_struct *part;
 
+		/*
+		 * Don't show empty devices or things that have been
+		 * suppressed
+		 */
+		if (get_capacity(disk) == 0 ||
+		    (disk->flags & GENHD_FL_SUPPRESS_PARTITION_INFO))
+			continue;
+
 		disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0);
 		while ((part = disk_part_iter_next(&piter))) {
 			char name_buf[BDEVNAME_SIZE];