1 files changed, 17 insertions, 18 deletions

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 535e763ab1a6..303983fabfd6 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -66,12 +66,11 @@ static int elf_core_dump(struct coredump_params *cprm);
 #define ELF_PAGEALIGN(_v) (((_v) + ELF_MIN_ALIGN - 1) & ~(ELF_MIN_ALIGN - 1))
 
 static struct linux_binfmt elf_format = {
-                .module         = THIS_MODULE,
-                .load_binary    = load_elf_binary,
-                .load_shlib     = load_elf_library,
-                .core_dump      = elf_core_dump,
-                .min_coredump   = ELF_EXEC_PAGESIZE,
-                .hasvdso        = 1
+        .module         = THIS_MODULE,
+        .load_binary    = load_elf_binary,
+        .load_shlib     = load_elf_library,
+        .core_dump      = elf_core_dump,
+        .min_coredump   = ELF_EXEC_PAGESIZE,
 };
 
 #define BAD_ADDR(x) ((unsigned long)(x) >= TASK_SIZE)
@@ -316,8 +315,6 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
         return 0;
 }
 
-#ifndef elf_map
-
 static unsigned long elf_map(struct file *filep, unsigned long addr,
                 struct elf_phdr *eppnt, int prot, int type,
                 unsigned long total_size)
@@ -354,8 +351,6 @@ static unsigned long elf_map(struct file *filep, unsigned long addr,
         return(map_addr);
 }
 
-#endif /* !elf_map */
-
 static unsigned long total_mapping_size(struct elf_phdr *cmds, int nr)
 {
         int i, first_idx = -1, last_idx = -1;
@@ -421,7 +416,7 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
                 goto out;
 
         retval = kernel_read(interpreter, interp_elf_ex->e_phoff,
-                             (char *)elf_phdata,size);
+                             (char *)elf_phdata, size);
         error = -EIO;
         if (retval != size) {
                 if (retval < 0)
@@ -575,7 +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 {
@@ -601,7 +596,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
                 goto out;
         if (!elf_check_arch(&loc->elf_ex))
                 goto out;
-        if (!bprm->file->f_op||!bprm->file->f_op->mmap)
+        if (!bprm->file->f_op || !bprm->file->f_op->mmap)
                 goto out;
 
         /* Now read in all of the header information */
@@ -761,8 +756,8 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
                         /* There was a PT_LOAD segment with p_memsz > p_filesz
                            before this one. Map anonymous pages, if needed,
                            and clear the area.  */
-                        retval = set_brk (elf_bss + load_bias,
-                                          elf_brk + load_bias);
+                        retval = set_brk(elf_bss + load_bias,
+                                         elf_brk + load_bias);
                         if (retval) {
                                 send_sig(SIGKILL, current, 0);
                                 goto out_free_dentry;
@@ -800,7 +795,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
                          * default mmap base, as well as whatever program they
                          * might try to exec.  This is because the brk will
                          * follow the loader, and is not movable.  */
-#ifdef CONFIG_X86
+#if defined(CONFIG_X86) || defined(CONFIG_ARM)
                         load_bias = 0;
 #else
                         load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr);
@@ -946,9 +941,13 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
         current->mm->start_stack = bprm->p;
 
 #ifdef arch_randomize_brk
-        if ((current->flags & PF_RANDOMIZE) && (randomize_va_space > 1))
+        if ((current->flags & PF_RANDOMIZE) && (randomize_va_space > 1)) {
                 current->mm->brk = current->mm->start_brk =
                         arch_randomize_brk(current->mm);
+#ifdef CONFIG_COMPAT_BRK
+                current->brk_randomized = 1;
+#endif
+        }
 #endif
 
         if (current->personality & MMAP_PAGE_ZERO) {
@@ -1911,7 +1910,7 @@ static int elf_core_dump(struct coredump_params *cprm)
         segs = current->mm->map_count;
         segs += elf_core_extra_phdrs();
 
-        gate_vma = get_gate_vma(current);
+        gate_vma = get_gate_vma(current->mm);
         if (gate_vma != NULL)
                 segs++;