[dm-devel] [PATCH 3/3] dm: Add deleting check to target_message

[Mike Anderson <andmike linux vnet ibm com>]

Add dm_table_md_deleting check to target_message

Signed-off-by: Mike Anderson <andmike linux vnet ibm com>
---
 drivers/md/dm-ioctl.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index a679429..04e252c 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1292,6 +1292,11 @@ static int target_message(struct dm_ioctl *param, size_t param_size)
 	if (!table)
 		goto out_argv;
 
+	if (dm_table_md_deleting(table)) {
+		r = -ENXIO;
+		goto out_table;
+	}
+
 	ti = dm_table_find_target(table, tmsg->sector);
 	if (!dm_target_is_valid(ti)) {
 		DMWARN("Target message sector outside device.");
@@ -1303,6 +1308,7 @@ static int target_message(struct dm_ioctl *param, size_t param_size)
 		r = -EINVAL;
 	}
 
+ out_table:
 	dm_table_put(table);
  out_argv:
 	kfree(argv);