Con Kolivas wrote: > Arjan van de Ven wrote: >> you really are supposed to use the return value of copy_to_user and >> friends. > > > Oh dear I hadn't looked at that. My tree must have been corrupted by > reiser4 doing the in-out thing to me ;P. Excuse the noise. Nope a cleanly unpacked bk13 with a minimal config and gcc 3.4.1 definitely gives me the following: fs/binfmt_elf.c: In function `padzero': fs/binfmt_elf.c:113: warning: ignoring return value of `clear_user', declared with attribute warn_unused_result include/asm/uaccess.h: In function `create_elf_tables': fs/binfmt_elf.c:175: warning: ignoring return value of `__copy_to_user', declared with attribute warn_unused_result fs/binfmt_elf.c:273: warning: ignoring return value of `copy_to_user', declared with attribute warn_unused_result fs/binfmt_elf.c: In function `load_elf_binary': fs/binfmt_elf.c:750: warning: ignoring return value of `clear_user', declared with attribute warn_unused_result fs/binfmt_elf.c: In function `fill_psinfo': fs/binfmt_elf.c:1216: warning: ignoring return value of `copy_from_user', declared with attribute warn_unused_result Con Config attached