[PATCH] [ISDN]Fix random hard freeze with AVM c4 card part 2

[Karsten Keil <kkeil@suse.de>]

One call was missing in the previous patch.

Signed-off-by: Karsten Keil <kkeil@suse.de>
---
 drivers/isdn/hardware/avm/c4.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/isdn/hardware/avm/c4.c b/drivers/isdn/hardware/avm/c4.c
index 4c6ef91..d69c05e 100644
--- a/drivers/isdn/hardware/avm/c4.c
+++ b/drivers/isdn/hardware/avm/c4.c
@@ -678,7 +678,9 @@ static irqreturn_t c4_handle_interrupt(avmcard *card)
                 for (i=0; i < card->nr_controllers; i++) {
 			avmctrl_info *cinfo = &card->ctrlinfo[i];
 			memset(cinfo->version, 0, sizeof(cinfo->version));
+			spin_lock_irqsave(&card->lock, flags);
 			capilib_release(&cinfo->ncci_head);
+			spin_unlock_irqrestore(&card->lock, flags);
 			capi_ctr_reseted(&cinfo->capi_ctrl);
 		}
 		card->nlogcontr = 0;

-- 
Karsten Keil
SuSE Labs
ISDN and VOIP development
SUSE LINUX Products GmbH, Maxfeldstr.5 90409 Nuernberg, GF: Markus Rex, HRB 16746 (AG Nuernberg)
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