Print a warning if dlopen() of a driver fails

Signed-off-by: Roland Dreier <rolandd@cisco.com>

2 files changed, 9 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 28f78fc..310c71b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2006-03-28  Roland Dreier  <rdreier@cisco.com>
+
+	* src/init.c (load_driver): Print warning if dlopen() of a driver
+	plugin fails.
+
 2006-03-22  Dotan Barak  <dotanb@mellanox.co.il>
 
 	* examples/asyncwatch.c: Print asynchronous event name as well as
diff --git a/src/init.c b/src/init.c
index 5fa2eb5..a15d295 100644
--- a/src/init.c
+++ b/src/init.c
@@ -64,8 +64,11 @@ static void load_driver(char *so_path)
 	struct ibv_driver *driver;
 
 	dlhandle = dlopen(so_path, RTLD_NOW);
-	if (!dlhandle)
+	if (!dlhandle) {
+		fprintf(stderr, PFX "Warning: couldn't load driver %s: %s\n",
+			so_path, dlerror());
 		return;
+	}
 
 	dlerror();
 	init_func = dlsym(dlhandle, "openib_driver_init");