[PATCH] Char: mxser_new, compress isa finding

ISA cards finding was too complex -- 2 (module params + predefined) absolutely
same routines, join them together with one for loop, one if and one indent
level.

Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 40 insertions, 69 deletions

diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c
index 47af0bba524..27871e503d8 100644
--- a/drivers/char/mxser_new.c
+++ b/drivers/char/mxser_new.c
@@ -2803,7 +2803,8 @@ static int __init mxser_module_init(void)
 {
         struct pci_dev *pdev = NULL;
         struct mxser_board *brd;
-        unsigned int i, m;
+        unsigned long cap;
+        unsigned int i, m, isaloop;
         int retval, b, n;
 
         pr_debug("Loading module mxser ...\n");
@@ -2839,84 +2840,54 @@ static int __init mxser_module_init(void)
 
         m = 0;
         /* Start finding ISA boards here */
-        for (b = 0; b < MXSER_BOARDS && m < MXSER_BOARDS; b++) {
-                int cap;
-
-                if (!(cap = mxserBoardCAP[b]))
-                        continue;
-
-                brd = &mxser_boards[m];
-                retval = mxser_get_ISA_conf(cap, brd);
-
-                if (retval != 0)
-                        printk(KERN_INFO "Found MOXA %s board (CAP=0x%x)\n",
-                                mxser_brdname[brd->board_type - 1], ioaddr[b]);
-
-                if (retval <= 0) {
-                        if (retval == MXSER_ERR_IRQ)
-                                printk(KERN_ERR "Invalid interrupt number, "
-                                        "board not configured\n");
-                        else if (retval == MXSER_ERR_IRQ_CONFLIT)
-                                printk(KERN_ERR "Invalid interrupt number, "
-                                        "board not configured\n");
-                        else if (retval == MXSER_ERR_VECTOR)
-                                printk(KERN_ERR "Invalid interrupt vector, "
-                                        "board not configured\n");
-                        else if (retval == MXSER_ERR_IOADDR)
-                                printk(KERN_ERR "Invalid I/O address, "
-                                        "board not configured\n");
+        for (isaloop = 0; isaloop < 2; isaloop++)
+                for (b = 0; b < MXSER_BOARDS && m < MXSER_BOARDS; b++) {
+                        if (!isaloop)
+                                cap = mxserBoardCAP[b]; /* predefined */
+                        else
+                                cap = ioaddr[b]; /* module param */
 
-                        continue;
-                }
+                        if (!cap)
+                                continue;
 
-                brd->pdev = NULL;
+                        brd = &mxser_boards[m];
+                        retval = mxser_get_ISA_conf(cap, brd);
 
-                /* mxser_initbrd will hook ISR. */
-                if (mxser_initbrd(brd) < 0)
-                        continue;
+                        if (retval != 0)
+                                printk(KERN_INFO "Found MOXA %s board "
+                                        "(CAP=0x%x)\n",
+                                        mxser_brdname[brd->board_type - 1],
+                                        ioaddr[b]);
 
-                m++;
-        }
+                        if (retval <= 0) {
+                                if (retval == MXSER_ERR_IRQ)
+                                        printk(KERN_ERR "Invalid interrupt "
+                                                "number, board not "
+                                                "configured\n");
+                                else if (retval == MXSER_ERR_IRQ_CONFLIT)
+                                        printk(KERN_ERR "Invalid interrupt "
+                                                "number, board not "
+                                                "configured\n");
+                                else if (retval == MXSER_ERR_VECTOR)
+                                        printk(KERN_ERR "Invalid interrupt "
+                                                "vector, board not "
+                                                "configured\n");
+                                else if (retval == MXSER_ERR_IOADDR)
+                                        printk(KERN_ERR "Invalid I/O address, "
+                                                "board not configured\n");
 
-        /* Start finding ISA boards from module arg */
-        for (b = 0; b < MXSER_BOARDS && m < MXSER_BOARDS; b++) {
-                unsigned long cap;
+                                continue;
+                        }
 
-                if (!(cap = ioaddr[b]))
-                        continue;
+                        brd->pdev = NULL;
 
-                brd = &mxser_boards[m];
-                retval = mxser_get_ISA_conf(cap, &mxser_boards[m]);
-
-                if (retval != 0)
-                        printk(KERN_INFO "Found MOXA %s board (CAP=0x%x)\n",
-                                mxser_brdname[brd->board_type - 1], ioaddr[b]);
-
-                if (retval <= 0) {
-                        if (retval == MXSER_ERR_IRQ)
-                                printk(KERN_ERR "Invalid interrupt number, "
-                                        "board not configured\n");
-                        else if (retval == MXSER_ERR_IRQ_CONFLIT)
-                                printk(KERN_ERR "Invalid interrupt number, "
-                                        "board not configured\n");
-                        else if (retval == MXSER_ERR_VECTOR)
-                                printk(KERN_ERR "Invalid interrupt vector, "
-                                        "board not configured\n");
-                        else if (retval == MXSER_ERR_IOADDR)
-                                printk(KERN_ERR "Invalid I/O address, "
-                                        "board not configured\n");
+                        /* mxser_initbrd will hook ISR. */
+                        if (mxser_initbrd(brd) < 0)
+                                continue;
 
-                        continue;
+                        m++;
                 }
 
-                brd->pdev = NULL;
-                /* mxser_initbrd will hook ISR. */
-                if (mxser_initbrd(brd) < 0)
-                        continue;
-
-                m++;
-        }
-
         /* start finding PCI board here */
         n = ARRAY_SIZE(mxser_pcibrds) - 1;
         b = 0;