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| author | Yuanhan Liu <yuanhan.liu@linux.intel.com> | 2012-06-16 06:40:55 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-16 17:36:03 +0200 |
| commit | b56a39ac263e5b8cafedd551a49c2105e68b98c2 (patch) | |
| tree | 0dbbe8929783ab347b3d40d4ed79ea87d5b3966d /Documentation/console | |
| parent | printk: use mutex lock to stop syslog_seq from going wild (diff) | |
| download | linux-b56a39ac263e5b8cafedd551a49c2105e68b98c2.tar.xz linux-b56a39ac263e5b8cafedd551a49c2105e68b98c2.zip | |
printk: return -EINVAL if the message len is bigger than the buf size
Just like what devkmsg_read() does, return -EINVAL if the message len is
bigger than the buf size, or it will trigger a segfault error.
Acked-by: Kay Sievers <kay@vrfy.org>
Acked-by: Fengguang Wu <wfg@linux.intel.com>
Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/console')
0 files changed, 0 insertions, 0 deletions