From: Joel Granados <joel.granados@kernel.org>
Date: Mon, 8 Dec 2025 13:33:17 +0000 (+0100)
Subject: sysctl: Return -ENOSYS from proc_douintvec_conv when CONFIG_PROC_SYSCTL=n
X-Git-Tag: v7.0-rc1~52^2~6
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=11400f86c28eaeb8d0cc22fef3f16fdd87d46214;p=thirdparty%2Fkernel%2Flinux.git

sysctl: Return -ENOSYS from proc_douintvec_conv when CONFIG_PROC_SYSCTL=n

Ensure an error if prco_douintvec_conv is erroneously called in a system
with CONFIG_PROC_SYSCTL=n

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index ae937c1b5272..e9bc1161ecfb 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1071,6 +1071,14 @@ int proc_douintvec_minmax(const struct ctl_table *table, int dir,
 	return -ENOSYS;
 }
 
+int proc_douintvec_conv(const struct ctl_table *table, int write, void *buffer,
+			size_t *lenp, loff_t *ppos,
+			int (*conv)(unsigned long *lvalp, unsigned int *valp,
+				    int write, const struct ctl_table *table))
+{
+	return -ENOSYS;
+}
+
 int proc_dou8vec_minmax(const struct ctl_table *table, int dir,
 			void *buffer, size_t *lenp, loff_t *ppos)
 {