X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udev-remove.c;h=41636b684e265120897e4233658feb4120b3de22;hb=ddc8f83132368098e63634dd355cde7d787fc85c;hp=0886c23343e0a7ee98fe8539cd130ff6783034ed;hpb=4763256c65859b94ac7a309cbb8f772d5426a08d;p=elogind.git diff --git a/udev-remove.c b/udev-remove.c index 0886c2334..41636b684 100644 --- a/udev-remove.c +++ b/udev-remove.c @@ -29,11 +29,11 @@ #include #include "udev.h" +#include "udev_lib.h" #include "udev_version.h" -#include "udev_dbus.h" +#include "logging.h" #include "namedev.h" #include "udevdb.h" -#include "libsysfs/libsysfs.h" static int delete_path(char *path) { @@ -51,6 +51,8 @@ static int delete_path(char *path) /* remove if empty */ retval = rmdir(path); + if (errno == ENOENT) + retval = 0; if (retval) { if (errno == ENOTEMPTY) return 0; @@ -65,46 +67,57 @@ static int delete_path(char *path) static int delete_node(struct udevice *dev) { - char filename[255]; - char *symlinks; - char *linkname; + char filename[NAME_SIZE]; + char linkname[NAME_SIZE]; + char partitionname[NAME_SIZE]; int retval; + int i; + char *pos; + int len; - strncpy(filename, udev_root, sizeof(filename)); - strncat(filename, dev->name, sizeof(filename)); + strfieldcpy(filename, udev_root); + strfieldcat(filename, dev->name); - dbg("unlinking node '%s'", filename); + info("removing device node '%s'", filename); retval = unlink(filename); + if (errno == ENOENT) + retval = 0; if (retval) { dbg("unlink(%s) failed with error '%s'", filename, strerror(errno)); return retval; } + /* remove partition nodes */ + if (dev->partitions > 0) { + info("removing partitions '%s[1-%i]'", filename, dev->partitions); + for (i = 1; i <= dev->partitions; i++) { + strfieldcpy(partitionname, filename); + strintcat(partitionname, i); + unlink(partitionname); + } + } + /* remove subdirectories */ if (strchr(dev->name, '/')) delete_path(filename); - if (*dev->symlink) { - symlinks = dev->symlink; - while (1) { - linkname = strsep(&symlinks, " "); - if (linkname == NULL) - break; - - strncpy(filename, udev_root, sizeof(filename)); - strncat(filename, linkname, sizeof(filename)); - - dbg("unlinking symlink '%s'", filename); - retval = unlink(filename); - if (retval) { - dbg("unlink(%s) failed with error '%s'", - filename, strerror(errno)); - return retval; - } - if (strchr(dev->symlink, '/')) { - delete_path(filename); - } + foreach_strpart(dev->symlink, " ", pos, len) { + strfieldcpymax(linkname, pos, len+1); + strfieldcpy(filename, udev_root); + strfieldcat(filename, linkname); + + dbg("unlinking symlink '%s'", filename); + retval = unlink(filename); + if (errno == ENOENT) + retval = 0; + if (retval) { + dbg("unlink(%s) failed with error '%s'", + filename, strerror(errno)); + return retval; + } + if (strchr(dev->symlink, '/')) { + delete_path(filename); } } @@ -118,23 +131,26 @@ static int delete_node(struct udevice *dev) */ int udev_remove_device(char *path, char *subsystem) { - char name[100]; - struct udevice *dev; + struct udevice dev; char *temp; + int retval; + + memset(&dev, 0, sizeof(dev)); - dev = udevdb_get_dev(path); - if (dev == NULL) { + retval = udevdb_get_dev(path, &dev); + if (retval) { dbg("'%s' not found in database, falling back on default name", path); temp = strrchr(path, '/'); if (temp == NULL) return -ENODEV; - strncpy(name, &temp[1], sizeof(name)); + strfieldcpy(dev.name, &temp[1]); } - dbg("name is '%s'", dev->name); + dbg("name is '%s'", dev.name); udevdb_delete_dev(path); - sysbus_send_remove(name, path); + dev_d_send(&dev, subsystem); - return delete_node(dev); + retval = delete_node(&dev); + return retval; }