Re: printk: what is going on with additional newlines?

[Sergey Senozhatsky]

On (08/28/17 21:21), Sergey Senozhatsky wrote:
> how about something like this?
> 

...ok, definetely breaks the

        KERN_ERR "foo"; KERN_CONT "bar"; KERN_CONT "bar"; KERN_CONT "\n";

case. um... something like this then?

---

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index fc47863f629c..098e280e9fe0 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1670,10 +1670,11 @@ static size_t log_output(int facility, int level, enum 
log_flags lflags, const c
         * write from the same process, try to add it to the buffer.
         */
        if (cont.len) {
-               if (cont.owner == current && (lflags & LOG_CONT)) {
+               if (cont.owner == current &&
+                               ((cont.level == level) ||
+                               (lflags & LOG_CONT)))
                        if (cont_add(facility, level, lflags, text, text_len))
                                return text_len;
-               }
                /* Otherwise, make sure it's flushed */
                cont_flush();
        }