and changed files

[powerpc.git] / fs / binfmt_elf.c

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 51db118..fa8ea33 100644 (file)
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -31,7 +31,6 @@
 #include <linux/init.h>
 #include <linux/highuid.h>
 #include <linux/smp.h>
-#include <linux/smp_lock.h>
 #include <linux/compiler.h>
 #include <linux/highmem.h>
 #include <linux/pagemap.h>
@@ -39,6 +38,7 @@
 #include <linux/syscalls.h>
 #include <linux/random.h>
 #include <linux/elf.h>
+#include <linux/utsname.h>
 #include <asm/uaccess.h>
 #include <asm/param.h>
 #include <asm/page.h>
@@ -507,7 +507,7 @@ out:
 #define INTERPRETER_ELF 2
 
 #ifndef STACK_RND_MASK
-#define STACK_RND_MASK 0x7ff           /* with 4K pages 8MB of VA */
+#define STACK_RND_MASK (0x7ff >> (PAGE_SHIFT - 12))    /* 8MB of VA */
 #endif
 
 static unsigned long randomize_stack_top(unsigned long stack_top)
@@ -871,6 +871,8 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
                                elf_prot, elf_flags);
                if (BAD_ADDR(error)) {
                        send_sig(SIGKILL, current, 0);
+                       retval = IS_ERR((void *)error) ?
+                               PTR_ERR((void*)error) : -EINVAL;
                        goto out_free_dentry;
                }
 
@@ -900,6 +902,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
                    TASK_SIZE - elf_ppnt->p_memsz < k) {
                        /* set_brk can never work. Avoid overflows. */
                        send_sig(SIGKILL, current, 0);
+                       retval = -EINVAL;
                        goto out_free_dentry;
                }
 
@@ -1704,7 +1707,10 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file)
                                DUMP_SEEK(PAGE_SIZE);
                        } else {
                                if (page == ZERO_PAGE(addr)) {
-                                       DUMP_SEEK(PAGE_SIZE);
+                                       if (!dump_seek(file, PAGE_SIZE)) {
+                                               page_cache_release(page);
+                                               goto end_coredump;
+                                       }
                                } else {
                                        void *kaddr;
                                        flush_cache_page(vma, addr,