[048/116] gigaset: correct clearing of at_state strings on RING

[Greg KH]

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Tilman Schmidt <tilman@xxxxxxx>

commit 3a0a3a6b92edf181f849ebd8417122392ba73a96 upstream.

In RING handling, clear the table of received parameter strings in
a loop like everywhere else, instead of by enumeration which had
already gotten out of sync.

Impact: minor bugfix
Signed-off-by: Tilman Schmidt <tilman@xxxxxxx>
Acked-by: Karsten Keil <keil@xxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/isdn/gigaset/ev-layer.c |   12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -1243,14 +1243,10 @@ static void do_action(int action, struct
 		 * note that bcs may be NULL if no B channel is free
 		 */
 		at_state2->ConState = 700;
-		kfree(at_state2->str_var[STR_NMBR]);
-		at_state2->str_var[STR_NMBR] = NULL;
-		kfree(at_state2->str_var[STR_ZCPN]);
-		at_state2->str_var[STR_ZCPN] = NULL;
-		kfree(at_state2->str_var[STR_ZBC]);
-		at_state2->str_var[STR_ZBC] = NULL;
-		kfree(at_state2->str_var[STR_ZHLC]);
-		at_state2->str_var[STR_ZHLC] = NULL;
+		for (i = 0; i < STR_NUM; ++i) {
+			kfree(at_state2->str_var[i]);
+			at_state2->str_var[i] = NULL;
+		}
 		at_state2->int_var[VAR_ZCTP] = -1;
 
 		spin_lock_irqsave(&cs->lock, flags);


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