As soon as new rules can be set during runtime, as introduced by the
next patch, blkdebug makes sense even without a config file.
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
block/blkdebug.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/block/blkdebug.c b/block/blkdebug.c
index d61ece8..c9041ec 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -240,6 +240,11 @@ static int read_config(BDRVBlkdebugState *s, const char
*filename)
int ret;
struct add_rule_data d;
+ /* Allow usage without config file */
+ if (!*filename) {
+ return 0;
+ }
+
f = fopen(filename, "r");
if (f == NULL) {
return -errno;
--
1.7.6.5
