diff --git a/[refs] b/[refs] index 4497c684010f..a811c0de4eb5 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 025510cd20f4c35c3958bea133d96c9bd7c6ef9e +refs/heads/master: cd140a5c1f456f50897af4a2e9a23d228a5fe719 diff --git a/trunk/drivers/char/mem.c b/trunk/drivers/char/mem.c index 91dd669273e0..a85f3a361442 100644 --- a/trunk/drivers/char/mem.c +++ b/trunk/drivers/char/mem.c @@ -817,7 +817,7 @@ static ssize_t kmsg_write(struct file * file, const char __user * buf, size_t count, loff_t *ppos) { char *tmp; - int ret; + ssize_t ret; tmp = kmalloc(count + 1, GFP_KERNEL); if (tmp == NULL) @@ -826,6 +826,9 @@ static ssize_t kmsg_write(struct file * file, const char __user * buf, if (!copy_from_user(tmp, buf, count)) { tmp[count] = 0; ret = printk("%s", tmp); + if (ret > count) + /* printk can add a prefix */ + ret = count; } kfree(tmp); return ret;