Btrfs: fix how we deal with the pages array in the write path

[deliverable/linux.git] / fs / binfmt_flat.c

diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index b8656225b34b91fcc40dece1983fc4df5d36a922..811384bec8de8d486a9aa7355d49b0195995e97a 100644 (file)
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -68,11 +68,7 @@
  * Here we can be a bit looser than the data sections since this
  * needs to only meet arch ABI requirements.
  */
-#ifdef ARCH_SLAB_MINALIGN
-#define FLAT_STACK_ALIGN       (ARCH_SLAB_MINALIGN)
-#else
-#define FLAT_STACK_ALIGN       (sizeof(void *))
-#endif
+#define FLAT_STACK_ALIGN       max_t(unsigned long, sizeof(void *), ARCH_SLAB_MINALIGN)
 
 #define RELOC_FAILED 0xff00ff01                /* Relocation incorrect somewhere */
 #define UNLOADED_LIB 0x7ff000ff                /* Placeholder for unused library */
@@ -596,7 +592,7 @@ static int load_flat_file(struct linux_binprm * bprm,
                if (IS_ERR_VALUE(result)) {
                        printk("Unable to read data+bss, errno %d\n", (int)-result);
                        do_munmap(current->mm, textpos, text_len);
-                       do_munmap(current->mm, realdatastart, data_len + extra);
+                       do_munmap(current->mm, realdatastart, len);
                        ret = result;
                        goto err;
                }