Commit ae65c851 authored by Sherry Yang's avatar Sherry Yang Committed by Greg Kroah-Hartman

android: binder: Fix null ptr dereference in debug msg

Don't access next->data in kernel debug message when the
next buffer is null.
Acked-by: default avatarArve Hjønnevåg <arve@android.com>
Signed-off-by: default avatarSherry Yang <sherryy@android.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a0c2baaf
......@@ -560,7 +560,7 @@ static void binder_delete_free_buffer(struct binder_alloc *alloc,
binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC,
"%d: merge free, buffer %pK do not share page with %pK or %pK\n",
alloc->pid, buffer->data,
prev->data, next->data);
prev->data, next ? next->data : NULL);
binder_update_page_range(alloc, 0, buffer_start_page(buffer),
buffer_start_page(buffer) + PAGE_SIZE,
NULL);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment