From e1dc1c78e7a523fc64ca28bed60a9a40ea1de46a Mon Sep 17 00:00:00 2001
From: Zach Koopmans <zkoopmans@google.com>
Date: Tue, 22 Jun 2021 15:50:41 -0700
Subject: [syserror] Add conversions to linuxerr with temporary Equals method.

Add Equals method to compare syserror and unix.Errno errors to linuxerr errors.
This will facilitate removal of syserror definitions in a followup, and
finding needed conversions from unix.Errno to linuxerr.

PiperOrigin-RevId: 380909667
---
 pkg/sentry/state/BUILD    | 2 +-
 pkg/sentry/state/state.go | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

(limited to 'pkg/sentry/state')

diff --git a/pkg/sentry/state/BUILD b/pkg/sentry/state/BUILD
index 3e801182c..7f02807c5 100644
--- a/pkg/sentry/state/BUILD
+++ b/pkg/sentry/state/BUILD
@@ -13,6 +13,7 @@ go_library(
     deps = [
         "//pkg/abi/linux",
         "//pkg/context",
+        "//pkg/errors/linuxerr",
         "//pkg/log",
         "//pkg/sentry/inet",
         "//pkg/sentry/kernel",
@@ -20,7 +21,6 @@ go_library(
         "//pkg/sentry/vfs",
         "//pkg/sentry/watchdog",
         "//pkg/state/statefile",
-        "//pkg/syserror",
         "@org_golang_x_sys//unix:go_default_library",
     ],
 )
diff --git a/pkg/sentry/state/state.go b/pkg/sentry/state/state.go
index 2f0aba4e2..e9d544f3d 100644
--- a/pkg/sentry/state/state.go
+++ b/pkg/sentry/state/state.go
@@ -20,6 +20,7 @@ import (
 	"io"
 
 	"gvisor.dev/gvisor/pkg/context"
+	"gvisor.dev/gvisor/pkg/errors/linuxerr"
 	"gvisor.dev/gvisor/pkg/log"
 	"gvisor.dev/gvisor/pkg/sentry/inet"
 	"gvisor.dev/gvisor/pkg/sentry/kernel"
@@ -27,7 +28,6 @@ import (
 	"gvisor.dev/gvisor/pkg/sentry/vfs"
 	"gvisor.dev/gvisor/pkg/sentry/watchdog"
 	"gvisor.dev/gvisor/pkg/state/statefile"
-	"gvisor.dev/gvisor/pkg/syserror"
 )
 
 var previousMetadata map[string]string
@@ -88,7 +88,7 @@ func (opts SaveOpts) Save(ctx context.Context, k *kernel.Kernel, w *watchdog.Wat
 		// ENOSPC is a state file error. This error can only come from
 		// writing the state file, and not from fs.FileOperations.Fsync
 		// because we wrap those in kernel.TaskSet.flushWritesToFiles.
-		if err == syserror.ENOSPC {
+		if linuxerr.Equals(linuxerr.ENOSPC, err) {
 			err = ErrStateFile{err}
 		}
 
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