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Code Releases Activity

dev_manager: fix dm_task_get_device_list

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With very old version of DM target driver we have to avoid
trying to use newuuid setting - otherwise we get error
during ioctl preparation phase.

Patch is fixing regression from commit:
988ea0e94c
This commit is contained in:
Zdenek Kabelac 2022-02-16 00:33:25 +01:00
parent 6626adb467
commit 6ffb150f30
1 changed files with 7 additions and 1 deletions
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8
lib/activate/dev_manager.c
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@ -107,6 +107,8 @@ static struct dm_task *_setup_task_run(int task, struct dm_info *info,
int with_flush, int with_flush,
int query_inactive) int query_inactive)
{ {
char vsn[80];
unsigned maj, min;
struct dm_task *dmt; struct dm_task *dmt;
if (!(dmt = dm_task_create(task))) if (!(dmt = dm_task_create(task)))
@ -142,7 +144,11 @@ static struct dm_task *_setup_task_run(int task, struct dm_info *info,
case DM_DEVICE_TARGET_MSG: case DM_DEVICE_TARGET_MSG:
return dmt; /* TARGET_MSG needs more local tweaking before task_run() */ return dmt; /* TARGET_MSG needs more local tweaking before task_run() */
case DM_DEVICE_LIST: case DM_DEVICE_LIST:
if (!dm_task_set_newuuid(dmt, " ")) // new uuid has no meaning here /* Use 'newuuid' only with DM version that supports it */
if (driver_version(vsn, sizeof(vsn)) &&
(sscanf(vsn, "%u.%u", &maj, &min) == 2) &&
(maj == 4 ? min >= 19 : maj > 4) &&
!dm_task_set_newuuid(dmt, " ")) // new uuid has no meaning here
log_warn("WARNING: Failed to query uuid with LIST."); log_warn("WARNING: Failed to query uuid with LIST.");
break; break;
default: default: