Fix the easy golint warnings

Reported by https://goreportcard.com/report/github.com/rfjakob/gocryptfs

2 files changed, 4 insertions, 3 deletions

diff --git a/internal/stupidgcm/stupidgcm.go b/internal/stupidgcm/stupidgcm.go
index c8aecca..59636c0 100644
--- a/internal/stupidgcm/stupidgcm.go
+++ b/internal/stupidgcm/stupidgcm.go
@@ -23,7 +23,7 @@ const (
 	tagLen = 16
 )
 
-// stupidGCM implements the cipher.AEAD interface
+// StupidGCM implements the cipher.AEAD interface
 type StupidGCM struct {
 	key         []byte
 	forceDecode bool
@@ -42,10 +42,12 @@ func New(keyIn []byte, forceDecode bool) cipher.AEAD {
 	return &StupidGCM{key: key, forceDecode: forceDecode}
 }
 
+// NonceSize returns the required size of the nonce / IV.
 func (g *StupidGCM) NonceSize() int {
 	return ivLen
 }
 
+// Overhead returns the number of bytes that are added for authentication.
 func (g *StupidGCM) Overhead() int {
 	return tagLen
 }
diff --git a/internal/syscallcompat/emulate.go b/internal/syscallcompat/emulate.go
index e5aeae7..c0a0d09 100644
--- a/internal/syscallcompat/emulate.go
+++ b/internal/syscallcompat/emulate.go
@@ -78,9 +78,8 @@ func emulateUnlinkat(dirfd int, path string, flags int) (err error) {
 	}
 	if (flags & unix.AT_REMOVEDIR) != 0 {
 		return syscall.Rmdir(path)
-	} else {
-		return syscall.Unlink(path)
 	}
+	return syscall.Unlink(path)
 }
 
 // emulateMknodat emulates the syscall for platforms that don't have it