linux-kernel - [PATCH v2 2/2] regmap: cache: Fix return value

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Date:   Mon, 13 Mar 2023 08:18:12 +0100
From:   Alexander Stein <alexander.stein@...tq-group.com>
To:     Mark Brown <broonie@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>
Cc:     Alexander Stein <alexander.stein@...tq-group.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/2] regmap: cache: Fix return value

checkpatch.pl warned:
WARNING: ENOSYS means 'invalid syscall nr' and nothing else
Align the return value to regcache_drop_region().

Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
 drivers/base/regmap/regcache.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 8031007b4887d..0482cf1c3231b 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -242,7 +242,7 @@ int regcache_read(struct regmap *map,
 	int ret;
 
 	if (map->cache_type == REGCACHE_NONE)
-		return -ENOSYS;
+		return -EINVAL;
 
 	BUG_ON(!map->cache_ops);
 
-- 
2.34.1