1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index 927a5bbe112c..a370e7a0bad5 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -142,7 +142,7 @@ static int ac_register_board(unsigned long physloc, void __iomem *loc,
         if (!boardno)
                 boardno = readb(loc + NUMCARD_OWNER_TO_PC);
 
-        if (!boardno && boardno > MAX_BOARD) {
+        if (!boardno || boardno > MAX_BOARD) {
                 printk(KERN_WARNING "Board #%d (at 0x%lx) is out of range (1 <= x <= %d).\n",
                        boardno, physloc, MAX_BOARD);
                 return 0;