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A number of functions in the usb_gigaset module will return -EINVAL if
CONFIG_GIGASET_UNDOCREQ is not set. Make these return -ENOTTY as it's
more specific and it might make it easier to see (from userspace) why
these functions actually fail.
Impact: some error return codes changed
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
Streamline dependencies and remove some obsolete or redundant comments
in the Gigaset ISDN driver's Kconfig file. In particular, remove the
strong warning against the GIGASET_UNDOCREQ option, as in seven years
of existence, the code in question has never been reported to cause
any harm.
Impact: Kconfig cleanup, no functional change
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
Impact: Make symbols static.
Fix this sparse warnings:
drivers/isdn/hardware/eicon/message.c:1197:6: warning: symbol 'connect_req' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:1414:6: warning: symbol 'connect_res' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:1570:6: warning: symbol 'connect_a_res' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:1576:6: warning: symbol 'disconnect_req' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:1631:6: warning: symbol 'disconnect_res' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:1658:6: warning: symbol 'listen_req' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:1707:6: warning: symbol 'info_req' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:1816:6: warning: symbol 'info_res' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:1822:6: warning: symbol 'alert_req' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:1852:6: warning: symbol 'facility_req' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:2602:6: warning: symbol 'facility_res' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:2608:6: warning: symbol 'connect_b3_req' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:2842:6: warning: symbol 'connect_b3_res' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:2957:6: warning: symbol 'connect_b3_a_res' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:2977:6: warning: symbol 'disconnect_b3_req' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:3033:6: warning: symbol 'disconnect_b3_res' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:3089:6: warning: symbol 'data_b3_req' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:3166:6: warning: symbol 'data_b3_res' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:3199:6: warning: symbol 'reset_b3_req' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:3240:6: warning: symbol 'reset_b3_res' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:3264:6: warning: symbol 'connect_b3_t90_a_res' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:3298:6: warning: symbol 'select_b_req' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:8692:6: warning: symbol 'sig_req' was not declared. Should it be static?
drivers/isdn/hardware/eicon/message.c:8792:6: warning: symbol 'send_data' was not declared. Should it be static?
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix this sparse warning:
drivers/isdn/hardware/eicon/debug.c:1201:32: warning: cast truncates bits from constant value (1000 becomes 0)
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Impact: Move declarations to a header file.
Fix this sparse warning:
drivers/isdn/hisax/callc.c:24:12: warning: symbol 'lli_revision' was not declared. Should it be static?
drivers/isdn/hisax/config.c:84:12: warning: symbol 'CardType' was not declared. Should it be static?
drivers/isdn/hisax/config.c:362:5: warning: symbol 'nrcards' was not declared. Should it be static?
drivers/isdn/hisax/isdnl1.c:21:12: warning: symbol 'l1_revision' was not declared. Should it be static?
drivers/isdn/hisax/isdnl2.c:22:12: warning: symbol 'l2_revision' was not declared. Should it be static?
drivers/isdn/hisax/isdnl3.c:22:12: warning: symbol 'l3_revision' was not declared. Should it be static?
drivers/isdn/hisax/tei.c:23:12: warning: symbol 'tei_revision' was not declared. Should it be static?
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Impact: Rename local variable 'c' to 't'.
Fix this sparse warning:
drivers/isdn/act2000/act2000_isa.c:260:70: warning: symbol 'c' shadows an earlier one
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Impact: Attribute functions with __acquires(...) resp. __releases(...).
Fix this sparse warnings:
drivers/isdn/capi/kcapi_proc.c:241:13: warning: context imbalance in 'capi_driver_start' - wrong count at exit
drivers/isdn/capi/kcapi_proc.c:252:13: warning: context imbalance in 'capi_driver_stop' - unexpected unlock
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove some pointless conditionals before kfree_skb().
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Trivial cleanup, list_del(); list_add_tail() is equivalent
to list_move_tail(). Semantic patch for coccinelle can be
found at www.cccmz.de/~snakebyte/list_move_tail.spatch
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Acked-by: Karsten Keil <kkeil@novell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix isdn/sc/shmem.c printk format warning:
drivers/isdn/sc/shmem.c:57: warning: format '%d' expects type 'int', but argument 3 has type 'size_t'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiffies are unsigned long, make sure we fit in jiffies store variable
on archs with bits per long > 32.
Patch suggested by Jiri Slaby.
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix this sparse warnings:
drivers/isdn/mISDN/clock.c:44:1: warning: symbol 'iclock_lock' was not declared. Should it be static?
drivers/isdn/mISDN/clock.c:45:9: warning: symbol 'iclock_count' was not declared. Should it be static?
drivers/isdn/mISDN/clock.c:46:17: warning: symbol 'iclock_tv' was not declared. Should it be static?
drivers/isdn/mISDN/clock.c:47:9: warning: symbol 'iclock_tv_valid' was not declared. Should it be static?
drivers/isdn/mISDN/clock.c:48:20: warning: symbol 'iclock_current' was not declared. Should it be static?
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix this sparse warnings:
drivers/isdn/hardware/mISDN/hfcpci.c:59:19: warning: symbol 'hfc_tl' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcpci.c:60:9: warning: symbol 'hfc_jiffies' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcsusb.h:201:6: warning: symbol 'conf_str' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcsusb.h:319:12: warning: symbol 'HFC_TE_LAYER1_STATES' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcsusb.h:331:12: warning: symbol 'HFC_NT_LAYER1_STATES' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcsusb.c:38:12: warning: symbol 'hfcsusb_rev' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcsusb.c:978:1: warning: symbol 'fill_isoc_urb' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcsusb.c:1724:1: warning: symbol 'setup_hfcsusb' was not declared. Should it be static?
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Error handling code following a kmalloc should free the allocated data.
The semantic match that finds the problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@r exists@
local idexpression x;
statement S;
expression E;
identifier f,l;
position p1,p2;
expression *ptr != NULL;
@@
(
if ((x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...)) == NULL) S
|
x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
)
<... when != x
when != if (...) { <+...x...+> }
x->f = E
...>
(
return \(0\|<+...x...+>\|ptr\);
|
return@p2 ...;
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
The following patch fixes a warning caused by a missing ifdef in
isdn_ppp.c. A function was defined, but never used if CONFIG_IPPP_FILTER
was not defined.
The warning was: 'get_filter' defined but not used
Patch is against 2.6.28.1
Signed-off-by: Daniele Venzano <venza@brownhat.org>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Minor cleanups, either made possible or obvious after commit d700555 (I4l:
convert to net_device_ops).
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
When an i4l ppp interface is shut down (e.g. with /sbin/ifdown ippp0) a
scary warning is logged:
isdn_free_channel: called with invalid drv(-1) or channel(-1)
This warning is caused by isdn_net_unbind_channel(), which always calls
isdn_free_channel() even if isdn_net_local->isdn_device and
isdn_net_local->isdn_channel are (still) in a perfectly acceptable
default state, so let's not do that.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is not buggy due to plain luck as there is only one entry currently
in the element_attributes.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Karsten Keil <kkeil@suse.de>
In each case, if the NULL test is necessary, then the dereference should be
moved below the NULL test.
The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@@
type T;
expression E;
identifier i,fld;
statement S;
@@
- T i = E->fld;
+ T i;
... when != E
when != i
if (E == NULL) S
+ i = E->fld;
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Karsten Keil <kkeil@suse.de>
Nothing is broken because of this - currently.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Enable support for USB ISDN TAs with Cologne Chip AG's
HFC-S USB ISDN Controller.
Signed-off-by: Martin Bachem <m.bachem@gmx.de>
Signed-off-by: Karsten Keil <kkeil@suse.de>
Fix kernel crash when doing hardware conference with more than two members.
Removed DTMF threshold notice when debugging is disabled.
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
Add missing release function of ec-devices. Each device require a relase
function now. All destruction (memory and list entry) must be done within
the given release function of device, rather than after unregistering device.
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
- Poll-timer can now be set from 8 to 256 samples, depending on your kernel.
- If default or 128 is used, the normal controller's clock is used as before.
Usage: modprobe hfcpci poll=XXX
- Added some debug code for dsp buffer size. (CMX_DELAY_DEBUG)
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
Correct busy device detection.
This fix belongs to last commit.
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
Added GETPEER operation.
Socket now checks if device is already busy at a differen mode.
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
Add ISDN sample clock API to mISDN core (new file clock.c)
hfcmulti and mISDNdsp use clock API.
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
Return error on D-channel access with E-channel data requested
Signed-off-by: Martin Bachem <m.bachem@gmx.de>
Signed-off-by: Karsten Keil <kkeil@suse.de>
New prim PH_DATA_E_IND.
- all E-ch frames are indicated by recv_Echannel(), which pushes E-Channel
frames into dch's rqueue
- if dchannel is opened with channel nr 0, no E-Channel logging
is requested
- if dchannel is opened with channel nr 1, E-Channel logging
is requested. if layer1 does not support that, -EINVAL
in return is appropriate
Signed-off-by: Martin Bachem <m.bachem@gmx.de>
Signed-off-by: Karsten Keil <kkeil@suse.de>
Fix HDLC DSP transmit (DL_DATA frames were bounced back upwards instead of
being sent down as PH_DATA frames)
Thanks to Andreas Eversberg for the fix!
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Peter Schlaile <root@asterisk.schlaile.de>
Signed-off-by: Karsten Keil <kkeil@suse.de>
To get persistent device names with hotplug we need to rename devices
sometime.
Signed-off-by: Matthias Urlichs <matthias@urlichs.de>
Signed-off-by: Karsten Keil <kkeil@suse.de>
If received frames are not handled in time, purge them.
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
This prevents underrun of fifo when filled and in case of an underrun it
prevents subsequent underruns due to jitter.
Improve dsp, so buffers are kept filled with a certain delay, so moderate
jitter will not cause underrun all the time -> the audio quality is highly
improved. tones are not interrupted by gaps anymore, except when CPU is
stalling or in high load.
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
