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kaiser: fix unlikely error in alloc_ldt_struct()

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An error from kaiser_add_mapping() here is not at all likely, but
Eric Biggers rightly points out that __free_ldt_struct() relies on
new_ldt->size being initialized: move that up.

Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hugh Dickins 2017-12-04 20:13:35 -08:00 committed by Greg Kroah-Hartman
parent 3df1461787
commit cb7d8d7e67
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/ldt.c
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@ -79,11 +79,11 @@ static struct ldt_struct *alloc_ldt_struct(int size)
ret = kaiser_add_mapping((unsigned long)new_ldt->entries, alloc_size,
__PAGE_KERNEL);
new_ldt->size = size;
if (ret) {
__free_ldt_struct(new_ldt);
return NULL;
}
new_ldt->size = size;
return new_ldt;
}