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-rw-r--r--drivers/staging/comedi/drivers/vmk80xx.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c
index a87b1523165e..3af075aa3946 100644
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -795,7 +795,10 @@ static int vmk80xx_auto_attach(struct comedi_device *dev,
struct vmk80xx_private *devpriv;
int ret;
- board = &vmk80xx_boardinfo[context];
+ if (context < ARRAY_SIZE(vmk80xx_boardinfo))
+ board = &vmk80xx_boardinfo[context];
+ if (!board)
+ return -ENODEV;
dev->board_ptr = board;
dev->board_name = board->name;