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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-07-20 07:07:56 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-07-20 07:07:56 +0300 |
| commit | c39f2d9db0fd81ea20bb5cce9b3f082ca63753e2 (patch) | |
| tree | 8e80ed5601b4fb8880a2ca8e08802bc8b1f850bd /kernel/notifier.c | |
| parent | 597473720f4dc69749542bfcfed4a927a43d935e (diff) | |
| parent | 771a081e44a9baa1991ef011cc453ef425591740 (diff) | |
Merge branch 'next' into for-linus
Prepare second round of input updates for 5.3 merge window.
Diffstat (limited to 'kernel/notifier.c')
| -rw-r--r-- | kernel/notifier.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/notifier.c b/kernel/notifier.c index 6196af8a8223..d9f5081d578d 100644 --- a/kernel/notifier.c +++ b/kernel/notifier.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only #include <linux/kdebug.h> #include <linux/kprobes.h> #include <linux/export.h> @@ -22,6 +23,7 @@ static int notifier_chain_register(struct notifier_block **nl, struct notifier_block *n) { while ((*nl) != NULL) { + WARN_ONCE(((*nl) == n), "double register detected"); if (n->priority > (*nl)->priority) break; nl = &((*nl)->next); |