elf{,_fdpic} coredump: get rid of pointless if (siginfo->si_signo)

we can't get to do_coredump() if that condition isn't satisfied...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/binfmt_elf.c

@@ -1833,14 +1833,12 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
 			  const siginfo_t *siginfo, struct pt_regs *regs)
 {
 	struct list_head *t;
+	struct core_thread *ct;
+	struct elf_thread_status *ets;
 
 	if (!elf_note_info_init(info))
 		return 0;
 
-	if (siginfo->si_signo) {
-		struct core_thread *ct;
-		struct elf_thread_status *ets;
-
 	for (ct = current->mm->core_state->dumper.next;
 					ct; ct = ct->next) {
 		ets = kzalloc(sizeof(*ets), GFP_KERNEL);
@@ -1858,7 +1856,6 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
 		sz = elf_dump_thread_status(siginfo->si_signo, ets);
 		info->thread_status_size += sz;
 	}
-	}
 	/* now collect the dump for the current */
 	memset(info->prstatus, 0, sizeof(*info->prstatus));
 	fill_prstatus(info->prstatus, current, siginfo->si_signo);

fs/binfmt_elf_fdpic.c

@@ -1561,6 +1561,8 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
 	struct elf_shdr *shdr4extnum = NULL;
 	Elf_Half e_phnum;
 	elf_addr_t e_shoff;
+	struct core_thread *ct;
+	struct elf_thread_status *tmp;
 
 	/*
 	 * We no longer stop all VM operations.
@@ -1596,10 +1598,6 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
 		goto cleanup;
 #endif
 
-	if (cprm->siginfo->si_signo) {
-		struct core_thread *ct;
-		struct elf_thread_status *tmp;
-
 	for (ct = current->mm->core_state->dumper.next;
 					ct; ct = ct->next) {
 		tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
@@ -1618,7 +1616,6 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
 		sz = elf_dump_thread_status(cprm->siginfo->si_signo, tmp);
 		thread_status_size += sz;
 	}
-	}
 
 	/* now collect the dump for the current */
 	fill_prstatus(prstatus, current, cprm->siginfo->si_signo);