At this time, all flags are invalid. Since we are planning to actually add valid flags in the future, we better check if any were passed by the user. Signed-off-by: Arnd Bergmann Index: powerpc.git/arch/powerpc/platforms/cell/spufs/inode.c =================================================================== --- powerpc.git.orig/arch/powerpc/platforms/cell/spufs/inode.c +++ powerpc.git/arch/powerpc/platforms/cell/spufs/inode.c @@ -304,6 +304,10 @@ long spufs_create_thread(struct nameidat nd->dentry != nd->dentry->d_sb->s_root) goto out; + /* all flags are reserved */ + if (flags) + goto out; + dentry = lookup_create(nd, 1); ret = PTR_ERR(dentry); if (IS_ERR(dentry)) --