linux-kernel - [tip: sched/core] uprobes: (Re)add missing get_uprobe() in __find

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Date:   Wed, 17 Feb 2021 13:17:32 -0000
From:   "tip-bot2 for Sven Schnelle" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Sven Schnelle <svens@...ux.ibm.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: sched/core] uprobes: (Re)add missing get_uprobe() in __find_uprobe()

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     b0d6d4789677d128b1933af023083054f0973574
Gitweb:        https://git.kernel.org/tip/b0d6d4789677d128b1933af023083054f0973574
Author:        Sven Schnelle <svens@...ux.ibm.com>
AuthorDate:    Tue, 09 Feb 2021 16:07:11 +01:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Wed, 17 Feb 2021 14:12:42 +01:00

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@...ux.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lkml.kernel.org/r/20210209150711.36778-1-svens@linux.ibm.com
---
 kernel/events/uprobes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index fd5160d..3ea7f8f 100644
--- 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;
 }