lkml.org 
[lkml]   [2000]   [Sep]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] lne390.c: get rid of check_region
Hi,

Please consider applying.

- Arnaldo

--- linux-2.4.0-test8-pre1/drivers/net/lne390.c Mon Jun 19 17:30:58 2000
+++ linux-2.4.0-test8-pre1.acme/drivers/net/lne390.c Fri Sep 1 15:36:19 2000
@@ -26,10 +26,13 @@
You can try <http://www.mylex.com> if you want more info, as I've
never even seen one of these cards. :)

+ Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 2000/09/01
+ - get rid of check_region
+ - no need to check if dev == NULL in lne390_probe1
*/

static const char *version =
- "lne390.c: Driver revision v0.99, 12/05/98\n";
+ "lne390.c: Driver revision v0.99.1, 01/09/2000\n";

#include <linux/module.h>
#include <linux/kernel.h>
@@ -104,8 +107,11 @@
{
unsigned short ioaddr = dev->base_addr;

- if (ioaddr > 0x1ff) /* Check a single specified location. */
+ if (ioaddr > 0x1ff) { /* Check a single specified location. */
+ if (!request_region(ioaddr, LNE390_IO_EXTENT, "lne390"))
+ return -EBUSY;
return lne390_probe1(dev, ioaddr);
+ }
else if (ioaddr > 0) /* Don't probe at all. */
return -ENXIO;

@@ -118,10 +124,11 @@

/* EISA spec allows for up to 16 slots, but 8 is typical. */
for (ioaddr = 0x1000; ioaddr < 0x9000; ioaddr += 0x1000) {
- if (check_region(ioaddr , LNE390_IO_EXTENT))
+ if (!request_region(ioaddr, LNE390_IO_EXTENT, "lne390"))
continue;
if (lne390_probe1(dev, ioaddr) == 0)
return 0;
+ release_region(ioaddr, LNE390_IO_EXTENT);
}

return -ENODEV;
@@ -129,7 +136,7 @@

int __init lne390_probe1(struct net_device *dev, int ioaddr)
{
- int i, revision;
+ int i, revision, ret;
unsigned long eisa_id;

if (inb_p(ioaddr + LNE390_ID_PORT) == 0xff) return -ENODEV;
@@ -161,13 +168,6 @@
return -ENODEV;
}
#endif
-
- /* We should have a "dev" from Space.c or the static module table. */
- if (dev == NULL) {
- printk("lne390.c: Passed a NULL device.\n");
- dev = init_etherdev(0, 0);
- }
-
/* Allocate dev->priv and fill in 8390 specific dev fields. */
if (ethdev_init(dev)) {
printk ("lne390.c: unable to allocate memory for dev->priv!\n");
@@ -225,20 +225,16 @@
printk(KERN_CRIT "lne390.c: Use EISA SCU to set card memory below 1MB,\n");
printk(KERN_CRIT "lne390.c: or to an address above 0x%lx.\n", virt_to_bus(high_memory));
printk(KERN_CRIT "lne390.c: Driver NOT installed.\n");
- free_irq(dev->irq, dev);
- kfree(dev->priv);
- dev->priv = NULL;
- return -EINVAL;
+ ret = -EINVAL;
+ goto cleanup;
}
dev->mem_start = (unsigned long)ioremap(dev->mem_start, LNE390_STOP_PG*0x100);
if (dev->mem_start == 0) {
printk(KERN_ERR "lne390.c: Unable to remap card memory above 1MB !!\n");
printk(KERN_ERR "lne390.c: Try using EISA SCU to set memory below 1MB.\n");
printk(KERN_ERR "lne390.c: Driver NOT installed.\n");
- free_irq(dev->irq, dev);
- kfree(dev->priv);
- dev->priv = NULL;
- return -EAGAIN;
+ ret = -EAGAIN;
+ goto cleanup;
}
ei_status.reg0 = 1; /* Use as remap flag */
printk("lne390.c: remapped %dkB card memory to virtual address %#lx\n",
@@ -251,7 +247,6 @@

/* The 8390 offset is zero for the LNE390 */
dev->base_addr = ioaddr;
- request_region(dev->base_addr, LNE390_IO_EXTENT, "lne390");

ei_status.name = "LNE390";
ei_status.tx_start_page = LNE390_START_PG;
@@ -271,6 +266,11 @@
dev->stop = &lne390_close;
NS8390_init(dev, 0);
return 0;
+cleanup:
+ free_irq(dev->irq, dev);
+ kfree(dev->priv);
+ dev->priv = NULL;
+ return ret;
}

/*
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-03-22 12:38    [W:0.029 / U:1.136 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site