[POWERPC] spufs: return an error in spu_create is isolated create isnt supported
This changes the spu_create system call to return an error (-ENODEV) if
and isolated spu context is requested on hardware that doesn't support
isolated mode.
Tested on systemsim with and without isolation support
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index a3ca06b..c7d0107 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -323,6 +323,10 @@
== SPU_CREATE_ISOLATE)
goto out_unlock;
+ ret = -ENODEV;
+ if ((flags & SPU_CREATE_ISOLATE) && !isolated_loader)
+ goto out_unlock;
+
ret = spufs_mkdir(inode, dentry, flags, mode & S_IRWXUGO);
if (ret)
goto out_unlock;
