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SubjectRe: 2.6.13-git3: build failure: sysctl_optmem_max
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In article <20050903112756.D29708@flint.arm.linux.org.uk> (at Sat, 3 Sep 2005 11:27:56 +0100), Russell King <rmk+lkml@arm.linux.org.uk> says:

> While trying to build a kernel with CONFIG_SYSCTL disabled, the following
> error occurs:
>
> CC net/ipv4/ip_sockglue.o
> net/ipv4/ip_sockglue.c: In function `ip_setsockopt':
> net/ipv4/ip_sockglue.c:622: error: `sysctl_optmem_max' undeclared (first use in
> net/ipv4/ip_sockglue.c:622: error: (Each undeclared identifier is reported only
> net/ipv4/ip_sockglue.c:622: error: for each function it appears in.)
>
> It seems that sysctl_optmem_max is only available if CONFIG_SYSCTL is set.
> However, ip_setsockopt makes unconditional usage of this variable.

This should fix the issue.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

diff --git a/include/net/sock.h b/include/net/sock.h
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1374,8 +1374,8 @@ extern void sk_init(void);

#ifdef CONFIG_SYSCTL
extern struct ctl_table core_table[];
-extern int sysctl_optmem_max;
#endif
+extern int sysctl_optmem_max;

extern __u32 sysctl_wmem_default;
extern __u32 sysctl_rmem_default;
diff --git a/net/core/sock.c b/net/core/sock.c
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1719,8 +1719,8 @@ EXPORT_SYMBOL(sock_wfree);
EXPORT_SYMBOL(sock_wmalloc);
EXPORT_SYMBOL(sock_i_uid);
EXPORT_SYMBOL(sock_i_ino);
-#ifdef CONFIG_SYSCTL
EXPORT_SYMBOL(sysctl_optmem_max);
+#ifdef CONFIG_SYSCTL
EXPORT_SYMBOL(sysctl_rmem_max);
EXPORT_SYMBOL(sysctl_wmem_max);
#endif
--
YOSHIFUJI Hideaki @ USAGI Project <yoshfuji@linux-ipv6.org>
GPG-FP : 9022 65EB 1ECF 3AD1 0BDF 80D8 4807 F894 E062 0EEA
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