Fixes a problem when using Docker on a host with an encrypted LLVM ro…

…ot. A docker container with a volume mounted from the host will see /dev/mapper in its mount info file, but will not be able to read it.
scop · Aug 5, 2019 · 93e08ea · 93e08ea
1 parent d80c43f
commit 93e08ea
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/disk/disk_linux.go b/disk/disk_linux.go
@@ -302,10 +302,9 @@ func PartitionsWithContext(ctx context.Context, all bool) ([]PartitionStat, erro
 
 			if strings.HasPrefix(d.Device, "/dev/mapper/") {
 				devpath, err := filepath.EvalSymlinks(d.Device)
-				if err != nil {
-					return nil, err
+				if err == nil {
+					d.Device = devpath
 				}
-				d.Device = devpath
 			}
 
 			// /dev/root is not the real device name