1 files changed, 13 insertions, 17 deletions

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 9924581df6f6..b25707fee2cc 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1255,26 +1255,23 @@ static int writenote(struct memelfnote *men, struct file *file,
 static void fill_elf_header(struct elfhdr *elf, int segs,
                             u16 machine, u32 flags, u8 osabi)
 {
+        memset(elf, 0, sizeof(*elf));
+
         memcpy(elf->e_ident, ELFMAG, SELFMAG);
         elf->e_ident[EI_CLASS] = ELF_CLASS;
         elf->e_ident[EI_DATA] = ELF_DATA;
         elf->e_ident[EI_VERSION] = EV_CURRENT;
         elf->e_ident[EI_OSABI] = ELF_OSABI;
-        memset(elf->e_ident+EI_PAD, 0, EI_NIDENT-EI_PAD);
 
         elf->e_type = ET_CORE;
         elf->e_machine = machine;
         elf->e_version = EV_CURRENT;
-        elf->e_entry = 0;
         elf->e_phoff = sizeof(struct elfhdr);
-        elf->e_shoff = 0;
         elf->e_flags = flags;
         elf->e_ehsize = sizeof(struct elfhdr);
         elf->e_phentsize = sizeof(struct elf_phdr);
         elf->e_phnum = segs;
-        elf->e_shentsize = 0;
-        elf->e_shnum = 0;
-        elf->e_shstrndx = 0;
+
         return;
 }
 
@@ -1725,26 +1722,25 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
 
         info->thread_status_size = 0;
         if (signr) {
-                struct elf_thread_status *tmp;
+                struct elf_thread_status *ets;
                 rcu_read_lock();
                 do_each_thread(g, p)
                         if (current->mm == p->mm && current != p) {
-                                tmp = kzalloc(sizeof(*tmp), GFP_ATOMIC);
-                                if (!tmp) {
+                                ets = kzalloc(sizeof(*ets), GFP_ATOMIC);
+                                if (!ets) {
                                         rcu_read_unlock();
                                         return 0;
                                 }
-                                tmp->thread = p;
-                                list_add(&tmp->list, &info->thread_list);
+                                ets->thread = p;
+                                list_add(&ets->list, &info->thread_list);
                         }
                 while_each_thread(g, p);
                 rcu_read_unlock();
                 list_for_each(t, &info->thread_list) {
-                        struct elf_thread_status *tmp;
                         int sz;
 
-                        tmp = list_entry(t, struct elf_thread_status, list);
-                        sz = elf_dump_thread_status(signr, tmp);
+                        ets = list_entry(t, struct elf_thread_status, list);
+                        sz = elf_dump_thread_status(signr, ets);
                         info->thread_status_size += sz;
                 }
         }
@@ -2000,10 +1996,10 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, un
 
                 for (addr = vma->vm_start; addr < end; addr += PAGE_SIZE) {
                         struct page *page;
-                        struct vm_area_struct *vma;
+                        struct vm_area_struct *tmp_vma;
 
                         if (get_user_pages(current, current->mm, addr, 1, 0, 1,
-                                                &page, &vma) <= 0) {
+                                                &page, &tmp_vma) <= 0) {
                                 DUMP_SEEK(PAGE_SIZE);
                         } else {
                                 if (page == ZERO_PAGE(0)) {
@@ -2013,7 +2009,7 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, un
                                         }
                                 } else {
                                         void *kaddr;
-                                        flush_cache_page(vma, addr,
+                                        flush_cache_page(tmp_vma, addr,
                                                          page_to_pfn(page));
                                         kaddr = kmap(page);
                                         if ((size += PAGE_SIZE) > limit ||