Messages in this thread Patch in this message | | | From | Sasikantha babu <> | Subject | [PATCH] Do notify userspace when there is change in uts_kern_table. | Date | Wed, 4 Apr 2012 17:06:31 +0530 |
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sethostname and setdomainname notifies userspace on failure (without modifying uts_kern_table) too
Notify userspace if there is change in uts_kern_table, on failure don't notify userspace
Signed-off-by: Sasikantha babu <sasikanth.v19@gmail.com> --- kernel/sys.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/sys.c b/kernel/sys.c index e7006eb..6c569a8 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1295,8 +1295,8 @@ SYSCALL_DEFINE2(sethostname, char __user *, name, int, len) 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 __user *, name, int, len) 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; } -- 1.7.3.4
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