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authorIngo Molnar <mingo@elte.hu>2009-12-07 13:14:12 +0100
committerIngo Molnar <mingo@elte.hu>2009-12-07 13:14:18 +0100
commitf3d607c6b39bd9cb5000e03e2c0dc2afe1241374 (patch)
tree885b5e0b5bb3d87efc4bfbde69feff2ece32ecac /kernel/trace/trace_output.c
parent8055039c2a2454c7159dcbde3161943b757a6e0e (diff)
parent6ec22f9b037fc0c2e00ddb7023fad279c365324d (diff)
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Merge branch 'linus' into x86/urgent
Merge reason: we want to queue up a dependent fix. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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);