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Message-Id: <20231118155105.25678-35-yury.norov@gmail.com>
Date: Sat, 18 Nov 2023 07:51:05 -0800
From: Yury Norov <yury.norov@...il.com>
To: linux-kernel@...r.kernel.org,
Yoshinori Sato <ysato@...rs.sourceforge.jp>,
Rich Felker <dalias@...c.org>,
John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
Yury Norov <yury.norov@...il.com>, linux-sh@...r.kernel.org
Cc: Jan Kara <jack@...e.cz>,
Mirsad Todorovac <mirsad.todorovac@....unizg.hr>,
Matthew Wilcox <willy@...radead.org>,
Rasmus Villemoes <linux@...musvillemoes.dk>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Maxim Kuvyrkov <maxim.kuvyrkov@...aro.org>,
Alexey Klimov <klimov.linux@...il.com>
Subject: [PATCH 34/34] sh: rework ilsel_enable()
Fix opencoded find_and_set_bit(), which also suppresses potential
KCSAN warning.
Signed-off-by: Yury Norov <yury.norov@...il.com>
---
arch/sh/boards/mach-x3proto/ilsel.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/sh/boards/mach-x3proto/ilsel.c b/arch/sh/boards/mach-x3proto/ilsel.c
index f0d5eb41521a..7fadc479a80b 100644
--- a/arch/sh/boards/mach-x3proto/ilsel.c
+++ b/arch/sh/boards/mach-x3proto/ilsel.c
@@ -99,8 +99,8 @@ int ilsel_enable(ilsel_source_t set)
}
do {
- bit = find_first_zero_bit(&ilsel_level_map, ILSEL_LEVELS);
- } while (test_and_set_bit(bit, &ilsel_level_map));
+ bit = find_and_set_bit(&ilsel_level_map, ILSEL_LEVELS);
+ } while (bit >= ILSEL_LEVELS);
__ilsel_enable(set, bit);
--
2.39.2
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