diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index 77c00289..eb633540 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -1292,7 +1292,7 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
 //sys	Flistxattr(fd int, dest []byte) (sz int, err error)
 //sys	Flock(fd int, how int) (err error)
 //sys	Fremovexattr(fd int, attr string) (err error)
-//sys	Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error)
+//sys	Fsetxattr(fd int, attr string, dest []byte, flags int) (err error)
 //sys	Fsync(fd int) (err error)
 //sys	Getdents(fd int, buf []byte) (n int, err error) = SYS_GETDENTS64
 //sysnb	Getpgid(pid int) (pgid int, err error)
diff --git a/unix/zsyscall_linux_386.go b/unix/zsyscall_linux_386.go
index 4178d943..8e8d427d 100644
--- a/unix/zsyscall_linux_386.go
+++ b/unix/zsyscall_linux_386.go
@@ -638,7 +638,7 @@ func Fremovexattr(fd int, attr string) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error) {
+func Fsetxattr(fd int, attr string, dest []byte, flags int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(attr)
 	if err != nil {
@@ -650,8 +650,7 @@ func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error)
 	} else {
 		_p1 = unsafe.Pointer(&_zero)
 	}
-	r0, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
-	sz = int(r0)
+	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
diff --git a/unix/zsyscall_linux_amd64.go b/unix/zsyscall_linux_amd64.go
index b6fc3517..2f60780c 100644
--- a/unix/zsyscall_linux_amd64.go
+++ b/unix/zsyscall_linux_amd64.go
@@ -638,7 +638,7 @@ func Fremovexattr(fd int, attr string) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error) {
+func Fsetxattr(fd int, attr string, dest []byte, flags int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(attr)
 	if err != nil {
@@ -650,8 +650,7 @@ func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error)
 	} else {
 		_p1 = unsafe.Pointer(&_zero)
 	}
-	r0, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
-	sz = int(r0)
+	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
diff --git a/unix/zsyscall_linux_arm.go b/unix/zsyscall_linux_arm.go
index 59316d95..d29a11c9 100644
--- a/unix/zsyscall_linux_arm.go
+++ b/unix/zsyscall_linux_arm.go
@@ -638,7 +638,7 @@ func Fremovexattr(fd int, attr string) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error) {
+func Fsetxattr(fd int, attr string, dest []byte, flags int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(attr)
 	if err != nil {
@@ -650,8 +650,7 @@ func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error)
 	} else {
 		_p1 = unsafe.Pointer(&_zero)
 	}
-	r0, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
-	sz = int(r0)
+	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
diff --git a/unix/zsyscall_linux_arm64.go b/unix/zsyscall_linux_arm64.go
index 30cece13..d03eb296 100644
--- a/unix/zsyscall_linux_arm64.go
+++ b/unix/zsyscall_linux_arm64.go
@@ -638,7 +638,7 @@ func Fremovexattr(fd int, attr string) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error) {
+func Fsetxattr(fd int, attr string, dest []byte, flags int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(attr)
 	if err != nil {
@@ -650,8 +650,7 @@ func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error)
 	} else {
 		_p1 = unsafe.Pointer(&_zero)
 	}
-	r0, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
-	sz = int(r0)
+	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
diff --git a/unix/zsyscall_linux_mips.go b/unix/zsyscall_linux_mips.go
index 241c1786..dea09328 100644
--- a/unix/zsyscall_linux_mips.go
+++ b/unix/zsyscall_linux_mips.go
@@ -638,7 +638,7 @@ func Fremovexattr(fd int, attr string) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error) {
+func Fsetxattr(fd int, attr string, dest []byte, flags int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(attr)
 	if err != nil {
@@ -650,8 +650,7 @@ func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error)
 	} else {
 		_p1 = unsafe.Pointer(&_zero)
 	}
-	r0, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
-	sz = int(r0)
+	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
diff --git a/unix/zsyscall_linux_mips64.go b/unix/zsyscall_linux_mips64.go
index 69fcc0a2..31bbcff4 100644
--- a/unix/zsyscall_linux_mips64.go
+++ b/unix/zsyscall_linux_mips64.go
@@ -638,7 +638,7 @@ func Fremovexattr(fd int, attr string) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error) {
+func Fsetxattr(fd int, attr string, dest []byte, flags int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(attr)
 	if err != nil {
@@ -650,8 +650,7 @@ func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error)
 	} else {
 		_p1 = unsafe.Pointer(&_zero)
 	}
-	r0, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
-	sz = int(r0)
+	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
diff --git a/unix/zsyscall_linux_mips64le.go b/unix/zsyscall_linux_mips64le.go
index 6960cad6..e025a33a 100644
--- a/unix/zsyscall_linux_mips64le.go
+++ b/unix/zsyscall_linux_mips64le.go
@@ -638,7 +638,7 @@ func Fremovexattr(fd int, attr string) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error) {
+func Fsetxattr(fd int, attr string, dest []byte, flags int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(attr)
 	if err != nil {
@@ -650,8 +650,7 @@ func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error)
 	} else {
 		_p1 = unsafe.Pointer(&_zero)
 	}
-	r0, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
-	sz = int(r0)
+	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
diff --git a/unix/zsyscall_linux_mipsle.go b/unix/zsyscall_linux_mipsle.go
index e48a3306..57d7d931 100644
--- a/unix/zsyscall_linux_mipsle.go
+++ b/unix/zsyscall_linux_mipsle.go
@@ -638,7 +638,7 @@ func Fremovexattr(fd int, attr string) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error) {
+func Fsetxattr(fd int, attr string, dest []byte, flags int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(attr)
 	if err != nil {
@@ -650,8 +650,7 @@ func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error)
 	} else {
 		_p1 = unsafe.Pointer(&_zero)
 	}
-	r0, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
-	sz = int(r0)
+	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
diff --git a/unix/zsyscall_linux_ppc64.go b/unix/zsyscall_linux_ppc64.go
index 9dca53b0..2f7110d7 100644
--- a/unix/zsyscall_linux_ppc64.go
+++ b/unix/zsyscall_linux_ppc64.go
@@ -638,7 +638,7 @@ func Fremovexattr(fd int, attr string) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error) {
+func Fsetxattr(fd int, attr string, dest []byte, flags int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(attr)
 	if err != nil {
@@ -650,8 +650,7 @@ func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error)
 	} else {
 		_p1 = unsafe.Pointer(&_zero)
 	}
-	r0, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
-	sz = int(r0)
+	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
diff --git a/unix/zsyscall_linux_ppc64le.go b/unix/zsyscall_linux_ppc64le.go
index 176a03bb..bb3bd595 100644
--- a/unix/zsyscall_linux_ppc64le.go
+++ b/unix/zsyscall_linux_ppc64le.go
@@ -638,7 +638,7 @@ func Fremovexattr(fd int, attr string) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error) {
+func Fsetxattr(fd int, attr string, dest []byte, flags int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(attr)
 	if err != nil {
@@ -650,8 +650,7 @@ func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error)
 	} else {
 		_p1 = unsafe.Pointer(&_zero)
 	}
-	r0, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
-	sz = int(r0)
+	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
diff --git a/unix/zsyscall_linux_s390x.go b/unix/zsyscall_linux_s390x.go
index f26d330f..c637da95 100644
--- a/unix/zsyscall_linux_s390x.go
+++ b/unix/zsyscall_linux_s390x.go
@@ -638,7 +638,7 @@ func Fremovexattr(fd int, attr string) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error) {
+func Fsetxattr(fd int, attr string, dest []byte, flags int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(attr)
 	if err != nil {
@@ -650,8 +650,7 @@ func Fsetxattr(fd int, attr string, dest []byte, flags int) (sz int, err error)
 	} else {
 		_p1 = unsafe.Pointer(&_zero)
 	}
-	r0, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
-	sz = int(r0)
+	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}