42 lines
1.4 KiB
Diff
42 lines
1.4 KiB
Diff
From 5c2d5cab7ae6fa9dbc3281ac0c9b26272f019746 Mon Sep 17 00:00:00 2001
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From: John Ogness <john.ogness@linutronix.de>
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Date: Mon, 9 Oct 2023 13:55:19 +0000
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Subject: [PATCH 126/196] printk: Add sparse notation to console_srcu locking
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kernel/printk/printk.c:284:5: sparse: sparse: context imbalance in
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'console_srcu_read_lock' - wrong count at exit
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include/linux/srcu.h:301:9: sparse: sparse: context imbalance in
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'console_srcu_read_unlock' - unexpected unlock
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Reported-by: kernel test robot <lkp@intel.com>
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Fixes: 6c4afa79147e ("printk: Prepare for SRCU console list protection")
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Signed-off-by: John Ogness <john.ogness@linutronix.de>
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Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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---
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kernel/printk/printk.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
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index 87d3510e3e45..c4ae4538dba7 100644
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--- a/kernel/printk/printk.c
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+++ b/kernel/printk/printk.c
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@@ -282,6 +282,7 @@ EXPORT_SYMBOL(console_list_unlock);
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* Return: A cookie to pass to console_srcu_read_unlock().
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*/
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int console_srcu_read_lock(void)
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+ __acquires(&console_srcu)
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{
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return srcu_read_lock_nmisafe(&console_srcu);
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}
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@@ -295,6 +296,7 @@ EXPORT_SYMBOL(console_srcu_read_lock);
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* Counterpart to console_srcu_read_lock()
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*/
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void console_srcu_read_unlock(int cookie)
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+ __releases(&console_srcu)
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{
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srcu_read_unlock_nmisafe(&console_srcu, cookie);
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}
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--
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2.43.2
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