[syserror] Convert remaining syserror definitions to linuxerr.

Convert remaining public errors (e.g. EINTR) from syserror to linuxerr.

PiperOrigin-RevId: 390471763

4 files changed, 10 insertions, 13 deletions

diff --git a/pkg/sentry/fs/proc/BUILD b/pkg/sentry/fs/proc/BUILD
index e6d74b949..bc75ae505 100644
--- a/pkg/sentry/fs/proc/BUILD
+++ b/pkg/sentry/fs/proc/BUILD
@@ -50,7 +50,6 @@ go_library(
         "//pkg/sentry/socket/unix/transport",
         "//pkg/sentry/usage",
         "//pkg/sync",
-        "//pkg/syserror",
         "//pkg/tcpip/header",
         "//pkg/tcpip/network/ipv4",
         "//pkg/usermem",
diff --git a/pkg/sentry/fs/proc/fds.go b/pkg/sentry/fs/proc/fds.go
index e90da225a..e68bb46c0 100644
--- a/pkg/sentry/fs/proc/fds.go
+++ b/pkg/sentry/fs/proc/fds.go
@@ -20,12 +20,12 @@ import (
 	"strconv"
 
 	"gvisor.dev/gvisor/pkg/context"
+	"gvisor.dev/gvisor/pkg/errors/linuxerr"
 	"gvisor.dev/gvisor/pkg/sentry/fs"
 	"gvisor.dev/gvisor/pkg/sentry/fs/fsutil"
 	"gvisor.dev/gvisor/pkg/sentry/fs/proc/device"
 	"gvisor.dev/gvisor/pkg/sentry/fs/ramfs"
 	"gvisor.dev/gvisor/pkg/sentry/kernel"
-	"gvisor.dev/gvisor/pkg/syserror"
 )
 
 // LINT.IfChange
@@ -37,7 +37,7 @@ func walkDescriptors(t *kernel.Task, p string, toInode func(*fs.File, kernel.FDF
 	n, err := strconv.ParseUint(p, 10, 64)
 	if err != nil {
 		// Not found.
-		return nil, syserror.ENOENT
+		return nil, linuxerr.ENOENT
 	}
 
 	var file *fs.File
@@ -48,7 +48,7 @@ func walkDescriptors(t *kernel.Task, p string, toInode func(*fs.File, kernel.FDF
 		}
 	})
 	if file == nil {
-		return nil, syserror.ENOENT
+		return nil, linuxerr.ENOENT
 	}
 	return toInode(file, fdFlags), nil
 }
diff --git a/pkg/sentry/fs/proc/proc.go b/pkg/sentry/fs/proc/proc.go
index 546b57287..dc8211871 100644
--- a/pkg/sentry/fs/proc/proc.go
+++ b/pkg/sentry/fs/proc/proc.go
@@ -28,7 +28,6 @@ import (
 	"gvisor.dev/gvisor/pkg/sentry/fs/proc/seqfile"
 	"gvisor.dev/gvisor/pkg/sentry/fs/ramfs"
 	"gvisor.dev/gvisor/pkg/sentry/kernel"
-	"gvisor.dev/gvisor/pkg/syserror"
 )
 
 // LINT.IfChange
@@ -125,7 +124,7 @@ func (s *self) Readlink(ctx context.Context, inode *fs.Inode) (string, error) {
 	if t := kernel.TaskFromContext(ctx); t != nil {
 		tgid := s.pidns.IDOfThreadGroup(t.ThreadGroup())
 		if tgid == 0 {
-			return "", syserror.ENOENT
+			return "", linuxerr.ENOENT
 		}
 		return strconv.FormatUint(uint64(tgid), 10), nil
 	}
@@ -149,7 +148,7 @@ func (s *threadSelf) Readlink(ctx context.Context, inode *fs.Inode) (string, err
 		tgid := s.pidns.IDOfThreadGroup(t.ThreadGroup())
 		tid := s.pidns.IDOfTask(t)
 		if tid == 0 || tgid == 0 {
-			return "", syserror.ENOENT
+			return "", linuxerr.ENOENT
 		}
 		return fmt.Sprintf("%d/task/%d", tgid, tid), nil
 	}
diff --git a/pkg/sentry/fs/proc/task.go b/pkg/sentry/fs/proc/task.go
index edd62b857..89a799b21 100644
--- a/pkg/sentry/fs/proc/task.go
+++ b/pkg/sentry/fs/proc/task.go
@@ -35,7 +35,6 @@ import (
 	"gvisor.dev/gvisor/pkg/sentry/limits"
 	"gvisor.dev/gvisor/pkg/sentry/mm"
 	"gvisor.dev/gvisor/pkg/sentry/usage"
-	"gvisor.dev/gvisor/pkg/syserror"
 	"gvisor.dev/gvisor/pkg/usermem"
 	"gvisor.dev/gvisor/pkg/waiter"
 )
@@ -182,7 +181,7 @@ func (f *subtasksFile) Readdir(ctx context.Context, file *fs.File, ser fs.Dentry
 
 	tasks := f.t.ThreadGroup().MemberIDs(f.pidns)
 	if len(tasks) == 0 {
-		return offset, syserror.ENOENT
+		return offset, linuxerr.ENOENT
 	}
 
 	if offset == 0 {
@@ -234,15 +233,15 @@ var _ fs.FileOperations = (*subtasksFile)(nil)
 func (s *subtasks) Lookup(ctx context.Context, dir *fs.Inode, p string) (*fs.Dirent, error) {
 	tid, err := strconv.ParseUint(p, 10, 32)
 	if err != nil {
-		return nil, syserror.ENOENT
+		return nil, linuxerr.ENOENT
 	}
 
 	task := s.p.pidns.TaskWithID(kernel.ThreadID(tid))
 	if task == nil {
-		return nil, syserror.ENOENT
+		return nil, linuxerr.ENOENT
 	}
 	if task.ThreadGroup() != s.t.ThreadGroup() {
-		return nil, syserror.ENOENT
+		return nil, linuxerr.ENOENT
 	}
 
 	td := s.p.newTaskDir(ctx, task, dir.MountSource, false)
@@ -479,7 +478,7 @@ func (m *memDataFile) Read(ctx context.Context, _ *fs.File, dst usermem.IOSequen
 		return int64(n), nil
 	}
 	if readErr != nil {
-		return 0, syserror.EIO
+		return 0, linuxerr.EIO
 	}
 	return 0, nil
 }