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-rw-r--r--kernel/printk/printk.c78
1 files changed, 39 insertions, 39 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 7b449802089a..090e201244d8 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1730,6 +1730,44 @@ static size_t cont_print_text(char *text, size_t size)
return textlen;
}
+static size_t log_output(int facility, int level, enum log_flags lflags, const char *dict, size_t dictlen, char *text, size_t text_len)
+{
+ if (!(lflags & LOG_NEWLINE)) {
+ /*
+ * Flush the conflicting buffer. An earlier newline was missing,
+ * or another task also prints continuation lines.
+ */
+ if (cont.len && (!(lflags & LOG_CONT) || cont.owner != current))
+ cont_flush(LOG_NEWLINE);
+
+ /* buffer line if possible, otherwise store it right away */
+ if (cont_add(facility, level, text, text_len))
+ return text_len;
+
+ return log_store(facility, level, lflags | LOG_CONT, 0, dict, dictlen, text, text_len);
+ }
+
+ /*
+ * If an earlier newline was missing and it was the same task,
+ * either merge it with the current buffer and flush, or if
+ * there was a race with interrupts (prefix == true) then just
+ * flush it out and store this line separately.
+ * If the preceding printk was from a different task and missed
+ * a newline, flush and append the newline.
+ */
+ if (cont.len) {
+ bool stored = false;
+
+ if (cont.owner == current && (lflags & LOG_CONT))
+ stored = cont_add(facility, level, text, text_len);
+ cont_flush(LOG_NEWLINE);
+ if (stored)
+ return text_len;
+ }
+
+ return log_store(facility, level, lflags, 0, dict, dictlen, text, text_len);
+}
+
asmlinkage int vprintk_emit(int facility, int level,
const char *dict, size_t dictlen,
const char *fmt, va_list args)
@@ -1842,45 +1880,7 @@ asmlinkage int vprintk_emit(int facility, int level,
if (dict)
lflags |= LOG_PREFIX|LOG_NEWLINE;
- if (!(lflags & LOG_NEWLINE)) {
- /*
- * Flush the conflicting buffer. An earlier newline was missing,
- * or another task also prints continuation lines.
- */
- if (cont.len && (!(lflags & LOG_CONT) || cont.owner != current))
- cont_flush(LOG_NEWLINE);
-
- /* buffer line if possible, otherwise store it right away */
- if (cont_add(facility, level, text, text_len))
- printed_len += text_len;
- else
- printed_len += log_store(facility, level,
- lflags | LOG_CONT, 0,
- dict, dictlen, text, text_len);
- } else {
- bool stored = false;
-
- /*
- * If an earlier newline was missing and it was the same task,
- * either merge it with the current buffer and flush, or if
- * there was a race with interrupts (prefix == true) then just
- * flush it out and store this line separately.
- * If the preceding printk was from a different task and missed
- * a newline, flush and append the newline.
- */
- if (cont.len) {
- if (cont.owner == current && (lflags & LOG_CONT))
- stored = cont_add(facility, level, text,
- text_len);
- cont_flush(LOG_NEWLINE);
- }
-
- if (stored)
- printed_len += text_len;
- else
- printed_len += log_store(facility, level, lflags, 0,
- dict, dictlen, text, text_len);
- }
+ printed_len += log_output(facility, level, lflags, dict, dictlen, text, text_len);
logbuf_cpu = UINT_MAX;
raw_spin_unlock(&logbuf_lock);