[PATCH] dm: log table creation error code

From: Michał Mirosław
Date: Thu Oct 21 2021 - 17:13:32 EST


Help debugging table creation errors by adding the error name in the log.

Signed-off-by: Michał Mirosław <mirq-linux@xxxxxxxxxxxx>
Signed-off-by: Michał Mirosław <mirq-linux@xxxxxxxxxxxx>
---
drivers/md/dm-table.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 2111daaacaba..017522439e78 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -706,7 +706,7 @@ int dm_table_add_target(struct dm_table *t, const char *type,

r = dm_split_args(&argc, &argv, params);
if (r) {
- tgt->error = "couldn't split parameters (insufficient memory)";
+ tgt->error = "couldn't split parameters";
goto bad;
}

@@ -724,7 +724,7 @@ int dm_table_add_target(struct dm_table *t, const char *type,
return 0;

bad:
- DMERR("%s: %s: %s", dm_device_name(t->md), type, tgt->error);
+ DMERR("%s: %s: %s (%pe)", dm_device_name(t->md), type, tgt->error, ERR_PTR(r));
dm_put_target_type(tgt->type);
return r;
}
--
2.30.2