From: David Daney Date: Tue, 22 Mar 2011 23:34:48 +0000 (-0700) Subject: binfmt_elf: quiet GCC-4.6 'set but not used' warning in load_elf_binary() X-Git-Tag: firefly_0821_release~7613^2~1953 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1a530a6f23f7dca336311ef60c9ca26f3dc63688;p=firefly-linux-kernel-4.4.55.git binfmt_elf: quiet GCC-4.6 'set but not used' warning in load_elf_binary() With GCC-4.6 we get warnings about things being 'set but not used'. In load_elf_binary() this can happen with reloc_func_desc if ELF_PLAT_INIT is defined, but doesn't use the reloc_func_desc argument. Quiet the warning/error by marking reloc_func_desc as __maybe_unused. Signed-off-by: David Daney Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index d5b640ba6cb1..b2fae009a4b7 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -570,7 +570,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) unsigned long elf_entry; unsigned long interp_load_addr = 0; unsigned long start_code, end_code, start_data, end_data; - unsigned long reloc_func_desc = 0; + unsigned long reloc_func_desc __maybe_unused = 0; int executable_stack = EXSTACK_DEFAULT; unsigned long def_flags = 0; struct {