On Sun, Sep 29, 2013 at 06:37:50PM +0900, Namhyung Kim wrote: > The file->f_op check in do_readv_writev() is redundant since all of > its caller (vfs_readv and vfs_writev) already did the check. The > same goes to compat_do_readv_writev(). ... and the right fix is to kill all those checks completely. I have that done in local queue; will push to #for-next tonight. file->f_op should never be NULL, period. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html