The patch titled
Subject: sethostname/setdomainname: notify userspace when there is a change in uts_kern_table
has been added to the -mm tree. Its filename is
sethostname-setdomainname-notify-userspace-when-there-is-a-change-in-uts_kern_table.patch
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From: Sasikantha babu <sasikanth.v19@xxxxxxxxx>
Subject: sethostname/setdomainname: notify userspace when there is a change in uts_kern_table
sethostname() and setdomainname() notify userspace on failure (without
modifying uts_kern_table). Change things so that we only notify userspace
on success, when uts_kern_table was actually modified.
Signed-off-by: Sasikantha babu <sasikanth.v19@xxxxxxxxx>
Cc: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: WANG Cong <amwang@xxxxxxxxxx>
Reviewed-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/sys.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN kernel/sys.c~sethostname-setdomainname-notify-userspace-when-there-is-a-change-in-uts_kern_table kernel/sys.c
--- a/kernel/sys.c~sethostname-setdomainname-notify-userspace-when-there-is-a-change-in-uts_kern_table
+++ a/kernel/sys.c
@@ -1295,8 +1295,8 @@ SYSCALL_DEFINE2(sethostname, char __user
memcpy(u->nodename, tmp, len);
memset(u->nodename + len, 0, sizeof(u->nodename) - len);
errno = 0;
+ uts_proc_notify(UTS_PROC_HOSTNAME);
}
- uts_proc_notify(UTS_PROC_HOSTNAME);
up_write(&uts_sem);
return errno;
}
@@ -1346,8 +1346,8 @@ SYSCALL_DEFINE2(setdomainname, char __us
memcpy(u->domainname, tmp, len);
memset(u->domainname + len, 0, sizeof(u->domainname) - len);
errno = 0;
+ uts_proc_notify(UTS_PROC_DOMAINNAME);
}
- uts_proc_notify(UTS_PROC_DOMAINNAME);
up_write(&uts_sem);
return errno;
}
_
Subject: Subject: sethostname/setdomainname: notify userspace when there is a change in uts_kern_table
Patches currently in -mm which might be from sasikanth.v19@xxxxxxxxx are
sethostname-setdomainname-notify-userspace-when-there-is-a-change-in-uts_kern_table.patch
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