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https://github.com/systemd/systemd.git
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[PATCH] cleanup db functions
This commit is contained in:
committed by
Greg KH
parent
311a2b0a1d
commit
8f2f6e426f
@@ -299,6 +299,8 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize,
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}
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break;
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case 'P':
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if (!class_dev)
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break;
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class_dev_parent = sysfs_get_classdev_parent(class_dev);
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if (class_dev_parent != NULL) {
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struct udevice udev_parent;
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@@ -306,8 +308,7 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize,
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dbg("found parent '%s', get the node name", class_dev_parent->path);
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memset(&udev_parent, 0x00, sizeof(struct udevice));
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/* lookup the name in the udev_db with the DEVPATH of the parent */
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strfieldcpy(udev_parent.devpath, &class_dev_parent->path[strlen(sysfs_path)]);
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if (udev_db_get_device(&udev_parent) == 0) {
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if (udev_db_get_device_by_devpath(&udev_parent, &class_dev_parent->path[strlen(sysfs_path)]) == 0) {
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strfieldcatmax(string, udev_parent.name, maxsize);
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dbg("substitute parent node name'%s'", udev_parent.name);
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} else
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36
udev_db.c
36
udev_db.c
@@ -4,7 +4,7 @@
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* Userspace devfs
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*
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* Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
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* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
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* Copyright (C) 2004-2005 Kay Sievers <kay.sievers@vrfy.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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@@ -39,19 +39,19 @@
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#define PATH_TO_NAME_CHAR '@'
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static int get_db_filename(struct udevice *udev, char *filename, int len)
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static int get_db_filename(const char *devpath, char *filename, int len)
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{
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char devpath[SYSFS_PATH_MAX];
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char temp[SYSFS_PATH_MAX];
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char *pos;
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/* replace '/' to transform path into a filename */
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strfieldcpy(devpath, udev->devpath);
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pos = strchr(&devpath[1], '/');
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strfieldcpy(temp, devpath);
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pos = strchr(&temp[1], '/');
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while (pos) {
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pos[0] = PATH_TO_NAME_CHAR;
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pos = strchr(&pos[1], '/');
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}
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snprintf(filename, len, "%s%s", udev_db_path, devpath);
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snprintf(filename, len, "%s%s", udev_db_path, temp);
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filename[len-1] = '\0';
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return 0;
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@@ -65,7 +65,7 @@ int udev_db_add_device(struct udevice *udev)
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if (udev->test_run)
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return 0;
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get_db_filename(udev, filename, SYSFS_PATH_MAX);
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get_db_filename(udev->devpath, filename, SYSFS_PATH_MAX);
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create_path(filename);
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@@ -160,25 +160,25 @@ static int parse_db_file(struct udevice *udev, const char *filename)
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return 0;
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}
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int udev_db_get_device(struct udevice *udev)
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{
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char filename[SYSFS_PATH_MAX];
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get_db_filename(udev, filename, SYSFS_PATH_MAX);
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return parse_db_file(udev, filename);
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}
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int udev_db_delete_device(struct udevice *udev)
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{
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char filename[SYSFS_PATH_MAX];
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get_db_filename(udev, filename, SYSFS_PATH_MAX);
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get_db_filename(udev->devpath, filename, SYSFS_PATH_MAX);
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unlink(filename);
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return 0;
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}
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int udev_db_get_device_by_devpath(struct udevice *udev, const char *devpath)
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{
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char filename[SYSFS_PATH_MAX];
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get_db_filename(devpath, filename, SYSFS_PATH_MAX);
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return parse_db_file(udev, filename);
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}
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int udev_db_get_device_byname(struct udevice *udev, const char *name)
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{
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struct dirent *ent;
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@@ -234,6 +234,8 @@ found:
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strfieldcpy(udev->name, db_udev.name);
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strfieldcpy(udev->symlink, db_udev.symlink);
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udev->partitions = db_udev.partitions;
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udev->ignore_remove = db_udev.ignore_remove;
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udev->devt = db_udev.devt;
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return 0;
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}
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@@ -26,9 +26,9 @@
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extern int udev_db_add_device(struct udevice *dev);
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extern int udev_db_get_device(struct udevice *dev);
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extern int udev_db_delete_device(struct udevice *dev);
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extern int udev_db_get_device_by_devpath(struct udevice *dev, const char *devpath);
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extern int udev_db_get_device_byname(struct udevice *udev, const char *name);
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#endif /* _UDEV_DB_H_ */
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@@ -150,7 +150,7 @@ int udev_remove_device(struct udevice *udev)
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if (udev->type != BLOCK && udev->type != CLASS)
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return 0;
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retval = udev_db_get_device(udev);
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retval = udev_db_get_device_by_devpath(udev, udev->devpath);
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if (retval) {
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/* fall back to kernel name */
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temp = strrchr(udev->devpath, '/');
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@@ -341,8 +341,7 @@ static int process_options(int argc, char *argv[])
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}
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}
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memset(&udev, 0x00, sizeof(struct udevice));
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strfieldcpy(udev.devpath, pos);
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retval = udev_db_get_device(&udev);
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retval = udev_db_get_device_by_devpath(&udev, pos);
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if (retval != 0) {
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printf("device not found in database\n");
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goto exit;
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