* [PATCH 5.4 371/475] ARM: 9187/1: JIVE: fix return value of __setup handler
[not found] <20220414110855.141582785@linuxfoundation.org>
@ 2022-04-14 13:12 ` Greg Kroah-Hartman
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From: Greg Kroah-Hartman @ 2022-04-14 13:12 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Randy Dunlap, Ben Dooks,
Krzysztof Kozlowski, Alim Akhtar, linux-arm-kernel,
linux-samsung-soc, patches, Russell King (Oracle), Sasha Levin
From: Randy Dunlap <rdunlap@infradead.org>
[ Upstream commit 8b2360c7157b462c4870d447d1e65d30ef31f9aa ]
__setup() handlers should return 1 to obsolete_checksetup() in
init/main.c to indicate that the boot option has been handled.
A return of 0 causes the boot option/value to be listed as an Unknown
kernel parameter and added to init's (limited) argument or environment
strings. Also, error return codes don't mean anything to
obsolete_checksetup() -- only non-zero (usually 1) or zero.
So return 1 from jive_mtdset().
Fixes: 9db829f485c5 ("[ARM] JIVE: Initial machine support for Logitech Jive")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Cc: patches@armlinux.org.uk
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/arm/mach-s3c24xx/mach-jive.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-s3c24xx/mach-jive.c b/arch/arm/mach-s3c24xx/mach-jive.c
index 885e8f12e4b9..eedc9f8ed210 100644
--- a/arch/arm/mach-s3c24xx/mach-jive.c
+++ b/arch/arm/mach-s3c24xx/mach-jive.c
@@ -237,11 +237,11 @@ static int __init jive_mtdset(char *options)
unsigned long set;
if (options == NULL || options[0] == '\0')
- return 0;
+ return 1;
if (kstrtoul(options, 10, &set)) {
printk(KERN_ERR "failed to parse mtdset=%s\n", options);
- return 0;
+ return 1;
}
switch (set) {
@@ -256,7 +256,7 @@ static int __init jive_mtdset(char *options)
"using default.", set);
}
- return 0;
+ return 1;
}
/* parse the mtdset= option given to the kernel command line */
--
2.35.1
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