diff options
Diffstat (limited to 'pkg/sentry/fsimpl/kernfs/filesystem.go')
| -rw-r--r-- | pkg/sentry/fsimpl/kernfs/filesystem.go | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/pkg/sentry/fsimpl/kernfs/filesystem.go b/pkg/sentry/fsimpl/kernfs/filesystem.go index 8fac53c60..20319ab76 100644 --- a/pkg/sentry/fsimpl/kernfs/filesystem.go +++ b/pkg/sentry/fsimpl/kernfs/filesystem.go @@ -21,6 +21,7 @@ import ( "gvisor.dev/gvisor/pkg/abi/linux" "gvisor.dev/gvisor/pkg/context" + "gvisor.dev/gvisor/pkg/errors/linuxerr" "gvisor.dev/gvisor/pkg/fspath" "gvisor.dev/gvisor/pkg/sentry/kernel/auth" "gvisor.dev/gvisor/pkg/sentry/socket/unix/transport" @@ -411,7 +412,7 @@ func (fs *Filesystem) MkdirAt(ctx context.Context, rp *vfs.ResolvingPath, opts v defer rp.Mount().EndWrite() childI, err := parent.inode.NewDir(ctx, pc, opts) if err != nil { - if !opts.ForSyntheticMountpoint || err == syserror.EEXIST { + if !opts.ForSyntheticMountpoint || linuxerr.Equals(linuxerr.EEXIST, err) { return err } childI = newSyntheticDirectory(ctx, rp.Credentials(), opts.Mode) @@ -546,7 +547,7 @@ afterTrailingSymlink: } // Determine whether or not we need to create a file. child, err := fs.stepExistingLocked(ctx, rp, parent, false /* mayFollowSymlinks */) - if err == syserror.ENOENT { + if linuxerr.Equals(linuxerr.ENOENT, err) { // Already checked for searchability above; now check for writability. if err := parent.inode.CheckPermissions(ctx, rp.Credentials(), vfs.MayWrite); err != nil { return nil, err @@ -684,10 +685,12 @@ func (fs *Filesystem) RenameAt(ctx context.Context, rp *vfs.ResolvingPath, oldPa } return syserror.EBUSY } - switch err := checkCreateLocked(ctx, rp.Credentials(), newName, dstDir); err { - case nil: + + err = checkCreateLocked(ctx, rp.Credentials(), newName, dstDir) + switch { + case err == nil: // Ok, continue with rename as replacement. - case syserror.EEXIST: + case linuxerr.Equals(linuxerr.EEXIST, err): if noReplace { // Won't overwrite existing node since RENAME_NOREPLACE was requested. return syserror.EEXIST |