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switch: fix switch-robo device reference counting 

Fix incorrect device reference counting by switch-robo.

Signed-off-by: George Kashperko <george@znau.edu.ua>

SVN-Revision: 25619
owl
Florian Fainelli 2011-02-20 17:24:15 +00:00
parent 650566c980
commit 640927dde3
2 changed files with 16 additions and 7 deletions
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4
package/switch/Makefile
View File

@ -1,5 +1,5 @@
#
# Copyright (C) 2006 OpenWrt.org
# Copyright (C) 2006-2011 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=kmod-switch
PKG_RELEASE:=3
PKG_RELEASE:=4
include $(INCLUDE_DIR)/package.mk

19
package/switch/src/switch-robo.c
View File

@ -301,7 +301,7 @@ static int robo_probe(char *devname)
{
__u32 phyid;
unsigned int i;
int err;
int err = 1;
printk(KERN_INFO PFX "Probing device %s: ", devname);
strcpy(robo.ifr.ifr_name, devname);
@ -331,7 +331,7 @@ static int robo_probe(char *devname)
(mii->phy_id != ROBO_PHY_ADDR_BCM63XX) &&
(mii->phy_id != ROBO_PHY_ADDR_TG3)) {
printk("Invalid phy address (%d)\n", mii->phy_id);
return 1;
goto done;
}
robo.use_et = 0;
/* The robo has a fixed PHY address that is different from the
@ -344,7 +344,7 @@ static int robo_probe(char *devname)
if (phyid == 0xffffffff || phyid == 0x55210022) {
printk("No Robo switch in managed mode found, phy_id = 0x%08x\n", phyid);
return 1;
goto done;
}
/* Get the device ID */
@ -361,11 +361,18 @@ static int robo_probe(char *devname)
robo_switch_reset();
err = robo_switch_enable();
if (err)
return err;
goto done;
err = 0;
printk("found a 5%s%x!%s\n", robo.devid & 0xff00 ? "" : "3", robo.devid,
robo.is_5350 ? " It's a 5350." : "");
return 0;
done:
if (err) {
dev_put(robo.dev);
robo.dev = NULL;
}
return err;
}
@ -610,6 +617,8 @@ static int __init robo_init(void)
static void __exit robo_exit(void)
{
switch_unregister_driver(DRIVER_NAME);
if (robo.dev)
dev_put(robo.dev);
kfree(robo.device);
}