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libudev: device - free values before updating them

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This commit is contained in:
Kay Sievers 2009-07-08 02:02:40 +02:00
parent 804ab68550
commit a71369b0db
1 changed files with 2 additions and 0 deletions
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2
libudev/libudev-device.c
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@ -1282,6 +1282,7 @@ const char *udev_device_get_devpath_old(struct udev_device *udev_device)
int udev_device_set_devpath_old(struct udev_device *udev_device, const char *devpath_old) int udev_device_set_devpath_old(struct udev_device *udev_device, const char *devpath_old)
{ {
free(udev_device->devpath_old);
udev_device->devpath_old = strdup(devpath_old); udev_device->devpath_old = strdup(devpath_old);
if (udev_device->devpath_old == NULL) if (udev_device->devpath_old == NULL)
return -ENOMEM; return -ENOMEM;
@ -1296,6 +1297,7 @@ const char *udev_device_get_knodename(struct udev_device *udev_device)
int udev_device_set_knodename(struct udev_device *udev_device, const char *knodename) int udev_device_set_knodename(struct udev_device *udev_device, const char *knodename)
{ {
free(udev_device->knodename);
udev_device->knodename = strdup(knodename); udev_device->knodename = strdup(knodename);
if (udev_device->knodename == NULL) if (udev_device->knodename == NULL)
return -ENOMEM; return -ENOMEM;