os: check setStickyBit error in mkdir

If an error occurs, delete the newly created directory.

Change-Id: I97e960d24af32f027fb23d5ce3f61959e73f6fb0
Reviewed-on: https://go-review.googlesource.com/115715
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

diff --git a/src/os/file.go b/src/os/file.go
index eec0bc4d2e0607576428b9e50ab3838e7787a7c3..fa73919620da3d08b35e33c5832fb0ed2981c2e2 100644 (file)
--- a/src/os/file.go
+++ b/src/os/file.go
@@ -221,7 +221,12 @@ func Mkdir(name string, perm FileMode) error {
 
        // mkdir(2) itself won't handle the sticky bit on *BSD and Solaris
        if !supportsCreateWithStickyBit && perm&ModeSticky != 0 {
-               setStickyBit(name)
+               e = setStickyBit(name)
+
+               if e != nil {
+                       Remove(name)
+                       return e
+               }
        }
 
        return nil