Date: Wed, 14 Oct 2009 20:37:36 +0200 (CEST) From: Stefan Richter Subject: firewire: core: WARN on wrong usage of core transaction functions In the code path which creates request packets, clearly mark a switch branch which must never be reached with a WARN. In the code path which creates response packets, replace a BUG by a friendlier to debug WARN. Signed-off-by: Stefan Richter --- drivers/firewire/core-transaction.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) Index: linux-2.6.31/drivers/firewire/core-transaction.c =================================================================== --- linux-2.6.31.orig/drivers/firewire/core-transaction.c +++ linux-2.6.31/drivers/firewire/core-transaction.c @@ -218,6 +218,9 @@ static void fw_fill_request(struct fw_pa packet->header_length = 16; packet->payload_length = 0; break; + + default: + WARN(1, KERN_ERR "wrong tcode %d", tcode); } common: packet->speed = speed; @@ -595,8 +598,7 @@ void fw_fill_response(struct fw_packet * break; default: - BUG(); - return; + WARN(1, KERN_ERR "wrong tcode %d", tcode); } response->payload_bus = 0;