diff --git a/libfrog/workqueue.c b/libfrog/workqueue.c
index 73114773..a806da3e 100644
--- a/libfrog/workqueue.c
+++ b/libfrog/workqueue.c
@@ -106,8 +106,8 @@ workqueue_add(
 	}
 
 	wi = malloc(sizeof(struct workqueue_item));
-	if (wi == NULL)
-		return ENOMEM;
+	if (!wi)
+		return errno;
 
 	wi->function = func;
 	wi->index = index;
diff --git a/scrub/fscounters.c b/scrub/fscounters.c
index ad467e0c..669c5ab0 100644
--- a/scrub/fscounters.c
+++ b/scrub/fscounters.c
@@ -115,15 +115,14 @@ xfs_count_all_inodes(
 			scrub_nproc_workqueue(ctx));
 	if (ret) {
 		moveon = false;
-		str_info(ctx, ctx->mntpoint, _("Could not create workqueue."));
+		str_liberror(ctx, ret, _("creating icount workqueue"));
 		goto out_free;
 	}
 	for (agno = 0; agno < ctx->mnt.fsgeom.agcount; agno++) {
 		ret = workqueue_add(&wq, xfs_count_ag_inodes, agno, ci);
 		if (ret) {
 			moveon = false;
-			str_info(ctx, ctx->mntpoint,
-_("Could not queue AG %u icount work."), agno);
+			str_liberror(ctx, ret, _("queueing icount work"));
 			break;
 		}
 	}
diff --git a/scrub/inodes.c b/scrub/inodes.c
index c7aadae7..06350ec6 100644
--- a/scrub/inodes.c
+++ b/scrub/inodes.c
@@ -243,7 +243,7 @@ xfs_scan_all_inodes(
 	ret = workqueue_create(&wq, (struct xfs_mount *)ctx,
 			scrub_nproc_workqueue(ctx));
 	if (ret) {
-		str_info(ctx, ctx->mntpoint, _("Could not create workqueue."));
+		str_liberror(ctx, ret, _("creating bulkstat workqueue"));
 		return false;
 	}
 
@@ -251,8 +251,7 @@ xfs_scan_all_inodes(
 		ret = workqueue_add(&wq, xfs_scan_ag_inodes, agno, &si);
 		if (ret) {
 			si.moveon = false;
-			str_info(ctx, ctx->mntpoint,
-_("Could not queue AG %u bulkstat work."), agno);
+			str_liberror(ctx, ret, _("queueing bulkstat work"));
 			break;
 		}
 	}
diff --git a/scrub/phase2.c b/scrub/phase2.c
index f064c83d..1d2244a4 100644
--- a/scrub/phase2.c
+++ b/scrub/phase2.c
@@ -124,7 +124,7 @@ xfs_scan_metadata(
 	ret = workqueue_create(&wq, (struct xfs_mount *)ctx,
 			scrub_nproc_workqueue(ctx));
 	if (ret) {
-		str_info(ctx, ctx->mntpoint, _("Could not create workqueue."));
+		str_liberror(ctx, ret, _("creating scrub workqueue"));
 		return false;
 	}
 
@@ -145,8 +145,7 @@ xfs_scan_metadata(
 		ret = workqueue_add(&wq, xfs_scan_ag_metadata, agno, &moveon);
 		if (ret) {
 			moveon = false;
-			str_info(ctx, ctx->mntpoint,
-_("Could not queue AG %u scrub work."), agno);
+			str_liberror(ctx, ret, _("queueing per-AG scrub work"));
 			goto out;
 		}
 	}
@@ -157,8 +156,7 @@ _("Could not queue AG %u scrub work."), agno);
 	ret = workqueue_add(&wq, xfs_scan_fs_metadata, 0, &moveon);
 	if (ret) {
 		moveon = false;
-		str_info(ctx, ctx->mntpoint,
-_("Could not queue filesystem scrub work."));
+		str_liberror(ctx, ret, _("queueing per-FS scrub work"));
 		goto out;
 	}
 
diff --git a/scrub/phase4.c b/scrub/phase4.c
index 25fedc83..903da6d2 100644
--- a/scrub/phase4.c
+++ b/scrub/phase4.c
@@ -74,7 +74,7 @@ xfs_process_action_items(
 	ret = workqueue_create(&wq, (struct xfs_mount *)ctx,
 			scrub_nproc_workqueue(ctx));
 	if (ret) {
-		str_error(ctx, ctx->mntpoint, _("Could not create workqueue."));
+		str_liberror(ctx, ret, _("creating repair workqueue"));
 		return false;
 	}
 	for (agno = 0; agno < ctx->mnt.fsgeom.agcount; agno++) {
@@ -82,8 +82,8 @@ xfs_process_action_items(
 			ret = workqueue_add(&wq, xfs_repair_ag, agno, &moveon);
 			if (ret) {
 				moveon = false;
-				str_error(ctx, ctx->mntpoint,
-_("Could not queue repair work."));
+				str_liberror(ctx, ret,
+						_("queueing repair work"));
 				break;
 			}
 		}
diff --git a/scrub/read_verify.c b/scrub/read_verify.c
index 2152d167..ff4d3572 100644
--- a/scrub/read_verify.c
+++ b/scrub/read_verify.c
@@ -197,8 +197,7 @@ read_verify_queue(
 
 	ret = workqueue_add(&rvp->wq, read_verify, 0, tmp);
 	if (ret) {
-		str_info(rvp->ctx, rvp->ctx->mntpoint,
-_("Could not queue read-verify work."));
+		str_liberror(rvp->ctx, ret, _("queueing read-verify work"));
 		free(tmp);
 		return false;
 	}
diff --git a/scrub/spacemap.c b/scrub/spacemap.c
index a7876478..4258e318 100644
--- a/scrub/spacemap.c
+++ b/scrub/spacemap.c
@@ -200,7 +200,7 @@ xfs_scan_all_spacemaps(
 	ret = workqueue_create(&wq, (struct xfs_mount *)ctx,
 			scrub_nproc_workqueue(ctx));
 	if (ret) {
-		str_info(ctx, ctx->mntpoint, _("Could not create workqueue."));
+		str_liberror(ctx, ret, _("creating fsmap workqueue"));
 		return false;
 	}
 	if (ctx->fsinfo.fs_rt) {
@@ -208,8 +208,7 @@ xfs_scan_all_spacemaps(
 				ctx->mnt.fsgeom.agcount + 1, &sbx);
 		if (ret) {
 			sbx.moveon = false;
-			str_info(ctx, ctx->mntpoint,
-_("Could not queue rtdev fsmap work."));
+			str_liberror(ctx, ret, _("queueing rtdev fsmap work"));
 			goto out;
 		}
 	}
@@ -218,8 +217,7 @@ _("Could not queue rtdev fsmap work."));
 				ctx->mnt.fsgeom.agcount + 2, &sbx);
 		if (ret) {
 			sbx.moveon = false;
-			str_info(ctx, ctx->mntpoint,
-_("Could not queue logdev fsmap work."));
+			str_liberror(ctx, ret, _("queueing logdev fsmap work"));
 			goto out;
 		}
 	}
@@ -227,8 +225,7 @@ _("Could not queue logdev fsmap work."));
 		ret = workqueue_add(&wq, xfs_scan_ag_blocks, agno, &sbx);
 		if (ret) {
 			sbx.moveon = false;
-			str_info(ctx, ctx->mntpoint,
-_("Could not queue AG %u fsmap work."), agno);
+			str_liberror(ctx, ret, _("queueing per-AG fsmap work"));
 			break;
 		}
 	}
diff --git a/scrub/vfs.c b/scrub/vfs.c
index 1a1482dd..0cff2e3f 100644
--- a/scrub/vfs.c
+++ b/scrub/vfs.c
@@ -102,8 +102,7 @@ queue_subdir(
 	error = workqueue_add(wq, scan_fs_dir, 0, new_sftd);
 	if (error) {
 		dec_nr_dirs(sft);
-		str_info(ctx, ctx->mntpoint,
-_("Could not queue subdirectory scan work."));
+		str_liberror(ctx, error, _("queueing directory scan work"));
 		goto out_path;
 	}
 
