From 821e67a135d8773c8e9c0b97088b2e64c3d0d631 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Mon, 21 Jun 2010 08:49:25 +0200 Subject: [PATCH] Staging: comedi: fix read past end of array in cb_pcidda_attach() There are only 6 elements in the cb_pcidda_boards[] array so the original code read past the end. After this change nothing uses N_BOARDS so I removed the definition. Signed-off-by: Dan Carpenter Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/cb_pcidda.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/staging/comedi/drivers/cb_pcidda.c b/drivers/staging/comedi/drivers/cb_pcidda.c index 81829d6fd28..c374bee2506 100644 --- a/drivers/staging/comedi/drivers/cb_pcidda.c +++ b/drivers/staging/comedi/drivers/cb_pcidda.c @@ -52,7 +52,6 @@ Please report success/failure with other different cards to #include "8255.h" #define PCI_VENDOR_ID_CB 0x1307 /* PCI vendor number of ComputerBoards */ -#define N_BOARDS 10 /* Number of boards in cb_pcidda_boards */ #define EEPROM_SIZE 128 /* number of entries in eeprom */ #define MAX_AO_CHANNELS 8 /* maximum number of ao channels for supported boards */ @@ -307,7 +306,7 @@ static int cb_pcidda_attach(struct comedi_device *dev, continue; } } - for (index = 0; index < N_BOARDS; index++) { + for (index = 0; index < ARRAY_SIZE(cb_pcidda_boards); index++) { if (cb_pcidda_boards[index].device_id == pcidev->device) { goto found; -- 2.39.3