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| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2009-10-14 20:37:36 +0200 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2009-10-31 11:40:51 +0100 |
| commit | 5b189bf3633c3b73d4f08124a86f3e019953d412 (patch) | |
| tree | 3ee30bdd7b5e086e903199f29903400c77a3ddfe /drivers/firewire | |
| parent | cb7c96da3651111efbe088fa12f9bed61836ea93 (diff) | |
| download | linux-stable-5b189bf3633c3b73d4f08124a86f3e019953d412.tar.gz linux-stable-5b189bf3633c3b73d4f08124a86f3e019953d412.tar.bz2 linux-stable-5b189bf3633c3b73d4f08124a86f3e019953d412.zip | |
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 <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/firewire')
| -rw-r--r-- | drivers/firewire/core-transaction.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c index 203e6428bada..66789c3cc561 100644 --- a/drivers/firewire/core-transaction.c +++ b/drivers/firewire/core-transaction.c @@ -218,6 +218,9 @@ static void fw_fill_request(struct fw_packet *packet, int tcode, int tlabel, 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 *response, u32 *request_header, break; default: - BUG(); - return; + WARN(1, KERN_ERR "wrong tcode %d", tcode); } response->payload_bus = 0; |