diff options
| author | Karsten Keil <isdn@linux-pingi.de> | 2012-05-04 04:15:35 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-05-04 11:56:19 -0400 |
| commit | f45ebf3a6be9da051f078b30e7309b6788932189 (patch) | |
| tree | 539bb636aec1ec8542218c54866f724b39164182 /drivers/isdn/mISDN/core.c | |
| parent | 1ea52fbda1629216182a0b0fbee9d65e8bcedd1e (diff) | |
mISDN: Help to identify the card
With multiple cards is hard to figure out which port caused trouble
int the layer2 routines (e.g. got a timeout).
Now we have the informations in the log output.
Signed-off-by: Karsten Keil <kkeil@linux-pingi.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/isdn/mISDN/core.c')
| -rw-r--r-- | drivers/isdn/mISDN/core.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/isdn/mISDN/core.c b/drivers/isdn/mISDN/core.c index a24530f05db0..c401634c00ec 100644 --- a/drivers/isdn/mISDN/core.c +++ b/drivers/isdn/mISDN/core.c @@ -355,6 +355,22 @@ mISDN_unregister_Bprotocol(struct Bprotocol *bp) } EXPORT_SYMBOL(mISDN_unregister_Bprotocol); +static const char *msg_no_channel = "<no channel>"; +static const char *msg_no_stack = "<no stack>"; +static const char *msg_no_stackdev = "<no stack device>"; + +const char *mISDNDevName4ch(struct mISDNchannel *ch) +{ + if (!ch) + return msg_no_channel; + if (!ch->st) + return msg_no_stack; + if (!ch->st->dev) + return msg_no_stackdev; + return dev_name(&ch->st->dev->dev); +}; +EXPORT_SYMBOL(mISDNDevName4ch); + static int mISDNInit(void) { |