forked from pool/systemd
48af67da26
- udev: path_id - handle Hyper-V devices
add: 1008-udev-path_id-handle-Hyper-V-devices.patch
- keymap: Update the list of Samsung Series 9 models
add: 1009-keymap-Update-the-list-of-Samsung-Series-9-models.patch
- keymap: Add Samsung 700T
add: 1010-keymap-Add-Samsung-700T.patch
- libudev: avoid leak during realloc failure
add: 1011-libudev-avoid-leak-during-realloc-failure.patch
- libudev: do not resolve $attr{device} symlinks
add: 1012-libudev-do-not-resolve-attr-device-symlinks.patch
- libudev: validate 'udev' argument to udev_enumerate_new()
add: 1013-libudev-validate-udev-argument-to-udev_enumerate_new.patch
- udev: fix whitespace
add: 1014-udev-fix-whitespace.patch
- udev: properly handle symlink removal by 'change' event
add: 1015-udev-properly-handle-symlink-removal-by-change-event.patch
- udev: builtin - do not fail builtin initialization if one of
them returns an error
add: 1016-udev-builtin-do-not-fail-builtin-initialization-if-o.patch
- udev: use usec_t and now()
add: 1017-udev-use-usec_t-and-now.patch
closing an non-existent dbus connection and getting assertion
failures.
- udev: path_id - handle Hyper-V devices
add: 1008-udev-path_id-handle-Hyper-V-devices.patch
- keymap: Update the list of Samsung Series 9 models
add: 1009-keymap-Update-the-list-of-Samsung-Series-9-models.patch
- keymap: Add Samsung 700T
add: 1010-keymap-Add-Samsung-700T.patch
OBS-URL: https://build.opensuse.org/request/show/147673
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/systemd?expand=0&rev=120
109 lines
3.7 KiB
Diff
109 lines
3.7 KiB
Diff
Index: systemd-195/src/udev/udev-builtin-path_id.c
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===================================================================
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--- systemd-195.orig/src/udev/udev-builtin-path_id.c
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+++ systemd-195/src/udev/udev-builtin-path_id.c
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@@ -302,6 +302,85 @@ out:
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return hostdev;
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}
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+static struct udev_device *handle_ata(struct udev_device *parent, char **path)
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+{
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+ struct udev_device *hostdev;
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+ int host, bus, target, lun;
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+ const char *name;
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+ char *base;
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+ char *pos;
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+ DIR *dir;
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+ struct dirent *dent;
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+ int basenum, len;
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+
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+ hostdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_host");
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+ if (hostdev == NULL)
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+ return NULL;
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+
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+ name = udev_device_get_sysname(parent);
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+ if (sscanf(name, "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4)
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+ return NULL;
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+
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+ /* rebase ata offset to get the local relative number */
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+ basenum = -1;
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+ base = strdup(udev_device_get_syspath(hostdev));
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+ if (base == NULL)
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+ return NULL;
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+ pos = strrchr(base, '/');
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+ if (pos == NULL) {
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+ parent = NULL;
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+ goto out;
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+ }
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+ pos[0] = '\0';
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+ len = strlen(base) - 5;
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+ if (len <= 0) {
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+ parent = NULL;
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+ goto out;
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+ }
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+ base[len] = '\0';
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+ dir = opendir(base);
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+ if (dir == NULL) {
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+ parent = NULL;
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+ goto out;
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+ }
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+ for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
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+ char *rest;
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+ int i;
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+
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+ if (dent->d_name[0] == '.')
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+ continue;
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+ if (dent->d_type != DT_DIR && dent->d_type != DT_LNK)
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+ continue;
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+ if (strncmp(dent->d_name, "ata", 3) != 0)
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+ continue;
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+ i = strtoul(&dent->d_name[3], &rest, 10);
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+
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+ /* ata devices start with 1, so decrease by 1 if i is bigger then 0 */
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+ if (i > 0)
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+ i--;
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+ if (rest[0] != '\0')
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+ continue;
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+ /*
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+ * find the smallest number; the host really needs to export its
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+ * own instance number per parent device; relying on the global host
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+ * enumeration and plainly rebasing the numbers sounds unreliable
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+ */
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+ if (basenum == -1 || i < basenum)
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+ basenum = i;
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+ }
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+ closedir(dir);
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+ if (basenum == -1) {
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+ parent = NULL;
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+ goto out;
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+ }
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+ host -= basenum;
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+
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+ path_prepend(path, "scsi-%u:%u:%u:%u", host, bus, target, lun);
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+out:
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+ free(base);
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+ return hostdev;
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+}
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+
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static struct udev_device *handle_scsi(struct udev_device *parent, char **path)
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{
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const char *devtype;
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@@ -338,16 +417,8 @@ static struct udev_device *handle_scsi(s
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goto out;
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}
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- /*
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- * We do not support the ATA transport class, it creates duplicated link
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- * names as the fake SCSI host adapters are all separated, they are all
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- * re-based as host == 0. ATA should just stop faking two duplicated
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- * hierarchies for a single topology and leave the SCSI stuff alone;
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- * until that happens, there are no by-path/ links for ATA devices behind
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- * an ATA transport class.
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- */
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if (strstr(name, "/ata") != NULL) {
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- parent = NULL;
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+ parent = handle_ata(parent, path);
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goto out;
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}
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