livepatch: unpatch all klp_objects if klp_module_coming fails

When an incoming module is considered for livepatching by
klp_module_coming(), it iterates over multiple patches and multiple
kernel objects in this order:

	list_for_each_entry(patch, &klp_patches, list) {
		klp_for_each_object(patch, obj) {

which means that if one of the kernel objects fails to patch,
klp_module_coming()'s error path needs to unpatch and cleanup any kernel
objects that were already patched by a previous patch.

Reported-by: Miroslav Benes <[email protected]>
Suggested-by: Petr Mladek <[email protected]>
Signed-off-by: Joe Lawrence <[email protected]>
Acked-by: Josh Poimboeuf <[email protected]>
Reviewed-by: Petr Mladek <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>

0 files changed, 0 insertions, 0 deletions