From 9a938eba8d284fba0daff62142dece74ae3c16de Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 8 Jun 2020 12:25:39 -0400 Subject: [PATCH] kill coredump_params->regs it's always task_pt_regs(current) Signed-off-by: Al Viro --- fs/binfmt_elf.c | 4 ++-- fs/coredump.c | 1 - include/linux/coredump.h | 1 - 3 files changed, 2 insertions(+), 4 deletions(-) diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 63c7ebb..002fd71 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -2082,7 +2082,7 @@ static int fill_note_info(struct elfhdr *elf, int phdrs, /* now collect the dump for the current */ memset(info->prstatus, 0, sizeof(*info->prstatus)); fill_prstatus(&info->prstatus->common, current, cprm->siginfo->si_signo); - elf_core_copy_regs(&info->prstatus->pr_reg, cprm->regs); + elf_core_copy_regs(&info->prstatus->pr_reg, task_pt_regs(current)); /* Set up header */ fill_elf_header(elf, phdrs, ELF_ARCH, ELF_CORE_EFLAGS); @@ -2109,7 +2109,7 @@ static int fill_note_info(struct elfhdr *elf, int phdrs, /* Try to dump the FPU. */ info->prstatus->pr_fpvalid = - elf_core_copy_task_fpregs(current, cprm->regs, info->fpu); + elf_core_copy_task_fpregs(current, task_pt_regs(current), info->fpu); if (info->prstatus->pr_fpvalid) fill_note(info->notes + info->numnote++, "CORE", NT_PRFPREG, sizeof(*info->fpu), info->fpu); diff --git a/fs/coredump.c b/fs/coredump.c index b4ec1bf..1a474de 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -525,7 +525,6 @@ void do_coredump(const kernel_siginfo_t *siginfo) static atomic_t core_dump_count = ATOMIC_INIT(0); struct coredump_params cprm = { .siginfo = siginfo, - .regs = task_pt_regs(current), .limit = rlimit(RLIMIT_CORE), /* * We must use the same mm->flags while dumping core to avoid diff --git a/include/linux/coredump.h b/include/linux/coredump.h index 08a1d3e..a0655d7 100644 --- a/include/linux/coredump.h +++ b/include/linux/coredump.h @@ -18,7 +18,6 @@ struct core_vma_metadata { struct coredump_params { const kernel_siginfo_t *siginfo; - struct pt_regs *regs; struct file *file; unsigned long limit; unsigned long mm_flags; -- 2.7.4