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remove redundant NULL check on free 

free() already checks the pointer to be non
NULL. No need to do it again.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Lucas Stach 2014-02-07 09:48:43 +01:00 committed by Sascha Hauer
parent 34ab8ddd04
commit aa6694b542
5 changed files with 5 additions and 9 deletions
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3
common/environment.c
View File

@ -371,8 +371,7 @@ skip:
ret = 0;
out:
close(envfd);
if (buf_free)
free(buf_free);
free(buf_free);
return ret;
}

3
drivers/eeprom/at25.c
View File

@ -294,8 +294,7 @@ static int at25_probe(struct device_d *dev)
return 0;
fail:
if (at25)
free(at25);
free(at25);
return err;
}

3
drivers/usb/core/usb.c
View File

@ -504,8 +504,7 @@ int usb_host_detect(struct usb_host *host, int force)
list_del(&dev->list);
unregister_device(&dev->dev);
if (dev->hub)
free(dev->hub);
free(dev->hub);
dma_free(dev->setup_packet);
dma_free(dev->descriptor);
free(dev);

3
lib/parameter.c
View File

@ -108,8 +108,7 @@ int dev_set_param(struct device_d *dev, const char *name, const char *val)
int dev_param_set_generic(struct device_d *dev, struct param_d *p,
const char *val)
{
if (p->value)
free(p->value);
free(p->value);
if (!val) {
p->value = NULL;
return 0;

2
net/eth.c
View File

@ -382,7 +382,7 @@ void eth_unregister(struct eth_device *edev)
dev_remove_parameters(&edev->dev);
if (IS_ENABLED(CONFIG_OFDEVICE) && edev->nodepath)
if (IS_ENABLED(CONFIG_OFDEVICE))
free(edev->nodepath);
unregister_device(&edev->dev);