4.4-stable review patch. If anyone has any objections, please let me know.
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From: Hugh Dickins hughd@google.com
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 Acked-by: Jiri Kosina jkosina@suse.cz Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/x86/kernel/ldt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/kernel/ldt.c +++ b/arch/x86/kernel/ldt.c @@ -79,11 +79,11 @@ static struct ldt_struct *alloc_ldt_stru
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; }