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Commit 957ccc2b authored by Sherry Yang's avatar Sherry Yang Committed by Greg Kroah-Hartman
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android: binder: fixup crash introduced by moving buffer hdr 



Fix crash introduced by 74310e06
(android: binder: Move buffer out of area shared with user space)
when close is called after open without mmap in between.

Reported-by: default avatarkernel test robot <fengguang.wu@intel.com>
Fixes: 74310e06 ("android: binder: Move buffer out of area shared with user space")
Signed-off-by: default avatarSherry Yang <sherryy@android.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a97db881

drivers/android/binder_alloc.c

+1 −1
Original line number Diff line number Diff line
@@ -713,7 +713,6 @@ int binder_alloc_mmap_handler(struct binder_alloc *alloc, 
	}



	buffer->data = alloc->buffer;

	INIT_LIST_HEAD(&alloc->buffers);

	list_add(&buffer->entry, &alloc->buffers);

	buffer->free = 1;

	binder_insert_free_buffer(alloc, buffer);
@@ -972,6 +971,7 @@ void binder_alloc_init(struct binder_alloc *alloc) 
	alloc->tsk = current->group_leader;

	alloc->pid = current->group_leader->pid;

	mutex_init(&alloc->mutex);

	INIT_LIST_HEAD(&alloc->buffers);

}



void binder_alloc_shrinker_init(void)