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authorJ. Bruce Fields <bfields@citi.umich.edu>2009-11-23 12:34:58 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-11-23 12:34:58 -0500
commit9b8b317d58084b9a44f6f33b355c4278d9f841fb (patch)
treee0df89800bf4301c4017db3cdf04a2056ec1a852 /kernel/trace/trace_output.c
parent78c210efdefe07131f91ed512a3308b15bb14e2f (diff)
parent648f4e3e50c4793d9dbf9a09afa193631f76fa26 (diff)
Merge commit 'v2.6.32-rc8' into HEAD
Diffstat (limited to 'kernel/trace/trace_output.c')
-rw-r--r--kernel/trace/trace_output.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index ed17565826b..b6c12c6a1bc 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -69,6 +69,9 @@ enum print_line_t trace_print_printk_msg_only(struct trace_iterator *iter)
* @s: trace sequence descriptor
* @fmt: printf format string
*
+ * It returns 0 if the trace oversizes the buffer's free
+ * space, 1 otherwise.
+ *
* The tracer may use either sequence operations or its own
* copy to user routines. To simplify formating of a trace
* trace_seq_printf is used to store strings into a special
@@ -95,7 +98,7 @@ trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
s->len += ret;
- return len;
+ return 1;
}
EXPORT_SYMBOL_GPL(trace_seq_printf);