From a81805b9af899087f3d8367721ac0a51460f692e Mon Sep 17 00:00:00 2001 From: "kay.sievers@vrfy.org" Date: Wed, 17 Dec 2003 22:33:29 -0800 Subject: [PATCH] [PATCH] bug in udev-remove.c Uups, we have a bug in udev-remove.c. udev segfaults with NULL-pointer, if the device is not in the database: ./test.block: line 29: 4844 Segmentation fault $BIN block Dec 17 22:47:42 pim udev[4882]: udev_remove_device: '/block/sdy' not found in database, falling back on default name Dec 17 22:47:42 pim udev[4882]: udev_remove_device: name is '(null)' --- udev-remove.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/udev-remove.c b/udev-remove.c index 0886c233..dad4a985 100644 --- a/udev-remove.c +++ b/udev-remove.c @@ -118,8 +118,8 @@ static int delete_node(struct udevice *dev) */ int udev_remove_device(char *path, char *subsystem) { - char name[100]; struct udevice *dev; + struct udevice device; char *temp; dev = udevdb_get_dev(path); @@ -128,13 +128,15 @@ int udev_remove_device(char *path, char *subsystem) temp = strrchr(path, '/'); if (temp == NULL) return -ENODEV; - strncpy(name, &temp[1], sizeof(name)); + memset(&device, 0, sizeof(device)); + dev = &device; + strncpy(device.name, &temp[1], sizeof(device.name)); } dbg("name is '%s'", dev->name); udevdb_delete_dev(path); - sysbus_send_remove(name, path); + sysbus_send_remove(dev->name, path); return delete_node(dev); } -- 2.39.5