uprobes: (Re)add missing get_uprobe() in __find_uprobe()

commit c6bc9bd06dff ("rbtree, uprobes: Use rbtree helpers")
accidentally removed the refcount increase. Add it again.

Fixes: c6bc9bd06dff ("rbtree, uprobes: Use rbtree helpers")
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/20210209150711.36778-1-svens@linux.ibm.com

diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index fd5160dee2b49fe38578813a9e6d03f9769aa628..3ea7f8f92f1db5c3a12ed58211235b31bd9ca76a 100644 (file)
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -661,7 +661,7 @@ static struct uprobe *__find_uprobe(struct inode *inode, loff_t offset)
        struct rb_node *node = rb_find(&key, &uprobes_tree, __uprobe_cmp_key);
 
        if (node)
-               return __node_2_uprobe(node);
+               return get_uprobe(__node_2_uprobe(node));
 
        return NULL;
 }