diff options
| author | Chen Gang <gang.chen@asianux.com> | 2013-11-05 16:57:36 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2013-11-05 16:57:36 +1100 |
| commit | 9d85a810f2196fc7bd8d73098a51b8761625b131 (patch) | |
| tree | 24e79dc1acc1b96b374cef544b913d974bcaf7de /kernel | |
| parent | b0b927330fa033c241e1065b732dfed891ef568a (diff) | |
kernel/sysctl.c: check return value after call proc_put_char() in __do_proc_doulongvec_minmax()
Need to check the return value of proc_put_char(), as was done in
__do_proc_doulongvec_minmax().
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sysctl.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index b2f06f3c6a3f..74534186a122 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -2214,8 +2214,11 @@ static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int *i = val; } else { val = convdiv * (*i) / convmul; - if (!first) + if (!first) { err = proc_put_char(&buffer, &left, '\t'); + if (err) + break; + } err = proc_put_long(&buffer, &left, val, false); if (err) break; |