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

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-05-30 01:56:23 -04:00
parent 5a5e4c2eca
commit 7696e0c37f
1 changed files with 4 additions and 4 deletions
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8
fs/binfmt_flat.c
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@ -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;