[U-Boot] [PATCH 1/1] device: clone device on register

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Mon Sep 1 17:11:26 CEST 2008


to prevent that the pointer will not be use for an other register

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
 common/devices.c  |   24 +++++++++++++++++++++++-
 include/devices.h |    1 +
 2 files changed, 24 insertions(+), 1 deletions(-)

diff --git a/common/devices.c b/common/devices.c
index 2977436..8beebe2 100644
--- a/common/devices.c
+++ b/common/devices.c
@@ -130,10 +130,32 @@ device_t* device_get_by_name(char* name)
 	return NULL;
 }
 
+device_t* device_clone(device_t *dev)
+{
+	device_t *_dev;
+
+	if(!dev)
+		return NULL;
+
+	_dev = calloc(1, sizeof(device_t));
+
+	if(!_dev)
+		return NULL;
+
+	memcpy(_dev, dev, sizeof(device_t));
+	strncpy(_dev->name, dev->name, 16);
+
+	return _dev;
+}
 
 int device_register (device_t * dev)
 {
-	list_add(&(dev->list), &(devs.list));
+	device_t *_dev;
+
+	_dev = device_clone(dev);
+	if(!_dev)
+		return -1;
+	list_add(&(_dev->list), &(devs.list));
 	return 0;
 }
 
diff --git a/include/devices.h b/include/devices.h
index 490016b..6b78d58 100644
--- a/include/devices.h
+++ b/include/devices.h
@@ -94,6 +94,7 @@ int	devices_init (void);
 int	device_deregister(char *devname);
 struct list_head* device_get_list(void);
 device_t* device_get_by_name(char* name);
+device_t* device_clone(device_t *dev);
 
 #ifdef CONFIG_LCD
 int	drv_lcd_init (void);
-- 
1.5.6.3



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