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| author |   Chen Gang <gang.chen@asianux.com> | 2013-11-12 15:11:21 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-13 12:09:33 +0900 |
| commit | 7833819d2e5b2a0189f6e9d445ba03f4d7ba2656 (patch) | |
| tree | e6fc6a60153b0f669e3c57c203666982f00fed0e /kernel/sysctl.c | |
| parent | rbtree: fix rbtree_postorder_for_each_entry_safe() iterator (diff) | |
| download | linux-dev-7833819d2e5b2a0189f6e9d445ba03f4d7ba2656.tar.xz linux-dev-7833819d2e5b2a0189f6e9d445ba03f4d7ba2656.zip | |
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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/sysctl.c')
| -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 36547dddcdb8..d37d9dd8f463 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -2222,8 +2222,11 @@ 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; |