Re: 2.6.17-rc5-mm2

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On Fri, 2 Jun 2006 12:23:11 +0900
KAMEZAWA Hiroyuki <[email protected]> wrote:

> On ia64 + make allmodconfig
> 
>   CC      kernel/sysctl.o
> kernel/sysctl.c:305: error: braced-group within expression allowed only inside a function
> kernel/sysctl.c:314: warning: type defaults to `int' in declaration of `ia64_intri_res'
> kernel/sysctl.c:314: warning: data definition has no type or storage class
> kernel/sysctl.c:314: error: syntax error before '}' token
> kernel/sysctl.c:323: warning: type defaults to `int' in declaration of `ia64_intri_res'
> kernel/sysctl.c:323: warning: data definition has no type or storage class
> kernel/sysctl.c:323: error: syntax error before '}' token
> kernel/sysctl.c:332: warning: type defaults to `int' in declaration of `ia64_intri_res'
> kernel/sysctl.c:332: warning: data definition has no type or storage class
> kernel/sysctl.c:332: error: syntax error before '}' token
> kernel/sysctl.c:341: warning: type defaults to `int' in declaration of `ia64_intri_res'
> kernel/sysctl.c:341: warning: data definition has no type or storage class
> kernel/sysctl.c:341: error: syntax error before '}' token
> kernel/sysctl.c:98: warning: 'ngroups_max' defined but not used
> kernel/sysctl.c:1810: warning: 'proc_do_utsns_string' defined but not used

yup, thanks.


From: Andrew Morton <[email protected]>

Don't try to evaluate `current' at compile time - ia64 explodes.

Cc: Sam Vilain <[email protected]>
Cc: Serge E. Hallyn <[email protected]>
Cc: Kirill Korotaev <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Cc: Herbert Poetzl <[email protected]>
Cc: Andrey Savochkin <[email protected]>
Cc: KAMEZAWA Hiroyuki <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---

 kernel/sysctl.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff -puN kernel/sysctl.c~namespaces-utsname-sysctl-hack-cleanup-2-fix kernel/sysctl.c
--- 25/kernel/sysctl.c~namespaces-utsname-sysctl-hack-cleanup-2-fix	Fri Jun  2 12:43:07 2006
+++ 25-akpm/kernel/sysctl.c	Fri Jun  2 12:45:35 2006
@@ -302,7 +302,7 @@ static ctl_table kern_table[] = {
 		.procname	= "ostype",
 		.data		= NULL,
 		/* could maybe use __NEW_UTS_LEN here? */
-		.maxlen		= sizeof(current->nsproxy->uts_ns->name.sysname),
+		.maxlen		= FIELD_SIZEOF(struct new_utsname, sysname),
 		.mode		= 0444,
 		.proc_handler	= &proc_do_utsns_string,
 		.strategy	= &sysctl_string,
@@ -311,7 +311,7 @@ static ctl_table kern_table[] = {
 		.ctl_name	= KERN_OSRELEASE,
 		.procname	= "osrelease",
 		.data		= NULL,
-		.maxlen		= sizeof(current->nsproxy->uts_ns->name.release),
+		.maxlen		= FIELD_SIZEOF(struct new_utsname, release),
 		.mode		= 0444,
 		.proc_handler	= &proc_do_utsns_string,
 		.strategy	= &sysctl_string,
@@ -320,7 +320,7 @@ static ctl_table kern_table[] = {
 		.ctl_name	= KERN_VERSION,
 		.procname	= "version",
 		.data		= NULL,
-		.maxlen		= sizeof(current->nsproxy->uts_ns->name.version),
+		.maxlen		= FIELD_SIZEOF(struct new_utsname, version),
 		.mode		= 0444,
 		.proc_handler	= &proc_do_utsns_string,
 		.strategy	= &sysctl_string,
@@ -329,7 +329,7 @@ static ctl_table kern_table[] = {
 		.ctl_name	= KERN_NODENAME,
 		.procname	= "hostname",
 		.data		= NULL,
-		.maxlen		= sizeof(current->nsproxy->uts_ns->name.nodename),
+		.maxlen		= FIELD_SIZEOF(struct new_utsname, nodename),
 		.mode		= 0644,
 		.proc_handler	= &proc_do_utsns_string,
 		.strategy	= &sysctl_string,
@@ -338,7 +338,7 @@ static ctl_table kern_table[] = {
 		.ctl_name	= KERN_DOMAINNAME,
 		.procname	= "domainname",
 		.data		= NULL,
-		.maxlen		= sizeof(current->nsproxy->uts_ns->name.domainname),
+		.maxlen		= FIELD_SIZEOF(struct new_utsname, domainname),
 		.mode		= 0644,
 		.proc_handler	= &proc_do_utsns_string,
 		.strategy	= &sysctl_string,
_

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