binfmt_flat: use vm_munmap, we are missing ->mmap_sem there

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 6b2daf99fab8..178cb70acc26 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -562,7 +562,7 @@ static int load_flat_file(struct linux_binprm * bprm,
                                 realdatastart = (unsigned long) -ENOMEM;
                         printk("Unable to allocate RAM for process data, errno %d\n",
                                         (int)-realdatastart);
-                        do_munmap(current->mm, textpos, text_len);
+                        vm_munmap(textpos, text_len);
                         ret = realdatastart;
                         goto err;
                 }
@@ -586,8 +586,8 @@ 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, len);
+                        vm_munmap(textpos, text_len);
+                        vm_munmap(realdatastart, len);
                         ret = result;
                         goto err;
                 }
@@ -654,7 +654,7 @@ static int load_flat_file(struct linux_binprm * bprm,
                 }
                 if (IS_ERR_VALUE(result)) {
                         printk("Unable to read code+data+bss, errno %d\n",(int)-result);
-                        do_munmap(current->mm, textpos, text_len + data_len + extra +
+                        vm_munmap(textpos, text_len + data_len + extra +
                                 MAX_SHARED_LIBS * sizeof(unsigned long));
                         ret = result;
                         goto err;