applicom.c: fix apparently-broken code in do_ac_read()

[linux-2.6-omap-h63xx.git] / drivers / char / applicom.c

diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index 31d08b641f5be84667c5d53e49c862915e65d0c8..05674febb0c6bff218d2c76373402e7fcf0e1f58 100644 (file)
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -478,7 +478,7 @@ static int do_ac_read(int IndexCard, char __user *buf,
                struct st_ram_io *st_loc, struct mailbox *mailbox)
 {
        void __iomem *from = apbs[IndexCard].RamIO + RAM_TO_PC;
-       unsigned char *to = (unsigned char *)&mailbox;
+       unsigned char *to = (unsigned char *)mailbox;
 #ifdef DEBUG
        int c;
 #endif
@@ -712,8 +712,7 @@ static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, un
        
        IndexCard = adgl->num_card-1;
         
-       if(cmd != 0 && cmd != 6 &&
-          ((IndexCard >= MAX_BOARD) || !apbs[IndexCard].RamIO)) {
+       if(cmd != 6 && ((IndexCard >= MAX_BOARD) || !apbs[IndexCard].RamIO)) {
                static int warncount = 10;
                if (warncount) {
                        printk( KERN_WARNING "APPLICOM driver IOCTL, bad board number %d\n",(int)IndexCard+1);
@@ -832,8 +831,7 @@ static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, un
                }
                break;
        default:
-               printk(KERN_INFO "APPLICOM driver ioctl, unknown function code %d\n",cmd) ;
-               ret = -EINVAL;
+               ret = -ENOTTY;
                break;
        }
        Dummy = readb(apbs[IndexCard].RamIO + VERS);