From afabada957a6b28abfd37eb52efeefdfe6871c4b Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 14 Oct 2013 07:39:56 -0400 Subject: [PATCH] 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 --- fs/binfmt_elf.c | 33 +++++++++++++++------------------ fs/binfmt_elf_fdpic.c | 35 ++++++++++++++++------------------- 2 files changed, 31 insertions(+), 37 deletions(-) diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 1af412b96e06..571a42326908 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -1833,31 +1833,28 @@ 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); - if (!ets) - return 0; + for (ct = current->mm->core_state->dumper.next; + ct; ct = ct->next) { + ets = kzalloc(sizeof(*ets), GFP_KERNEL); + if (!ets) + return 0; - ets->thread = ct->task; - list_add(&ets->list, &info->thread_list); - } + ets->thread = ct->task; + list_add(&ets->list, &info->thread_list); + } - list_for_each(t, &info->thread_list) { - int sz; + list_for_each(t, &info->thread_list) { + int sz; - ets = list_entry(t, struct elf_thread_status, list); - sz = elf_dump_thread_status(siginfo->si_signo, ets); - info->thread_status_size += sz; - } + ets = list_entry(t, struct elf_thread_status, list); + 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)); diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index 645f6e56f378..fe2a643ee005 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/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. @@ -1596,28 +1598,23 @@ 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); - if (!tmp) - goto cleanup; + for (ct = current->mm->core_state->dumper.next; + ct; ct = ct->next) { + tmp = kzalloc(sizeof(*tmp), GFP_KERNEL); + if (!tmp) + goto cleanup; - tmp->thread = ct->task; - list_add(&tmp->list, &thread_list); - } + tmp->thread = ct->task; + list_add(&tmp->list, &thread_list); + } - list_for_each(t, &thread_list) { - struct elf_thread_status *tmp; - int sz; + list_for_each(t, &thread_list) { + struct elf_thread_status *tmp; + int sz; - tmp = list_entry(t, struct elf_thread_status, list); - sz = elf_dump_thread_status(cprm->siginfo->si_signo, tmp); - thread_status_size += sz; - } + tmp = list_entry(t, struct elf_thread_status, list); + sz = elf_dump_thread_status(cprm->siginfo->si_signo, tmp); + thread_status_size += sz; } /* now collect the dump for the current */ -- 2.30.2