mISDN: Reduce stack size in dsp_cmx_send()

Reduce stack size memory footprint of mISDN_dsp.
(From 1468 bytes for dsp_cmx_send on i386 down to 44).

Signed-off-by: Frank Seidel <frank@f-seidel.de>
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 3 insertions, 2 deletions

diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c
index 3a7c26ce12cf..fc76f401a4d3 100644
--- a/drivers/isdn/hardware/mISDN/hfcmulti.c
+++ b/drivers/isdn/hardware/mISDN/hfcmulti.c
@@ -104,7 +104,7 @@
  *      If unsure, don't give this parameter.
  *
  * dslot:
- *      NOTE: only one poll value must be given for every card.
+ *      NOTE: only one dslot value must be given for every card.
  *      Also this value must be given for non-E1 cards. If omitted, the E1
  *      card has D-channel on time slot 16, which is default.
  *      If 1..15 or 17..31, an alternate time slot is used for D-channel.
diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c
index 58c43e429f73..ac84146326e2 100644
--- a/drivers/isdn/mISDN/dsp_cmx.c
+++ b/drivers/isdn/mISDN/dsp_cmx.c
@@ -1592,7 +1592,8 @@ dsp_cmx_send(void *arg)
         struct dsp_conf_member *member;
         struct dsp *dsp;
         int mustmix, members;
-        s32 mixbuffer[MAX_POLL+100], *c;
+        static s32 mixbuffer[MAX_POLL+100];
+        s32 *c;
         u8 *p, *q;
         int r, rr;
         int jittercheck = 0, delay, i;