summaryrefslogtreecommitdiff
path: root/kernel/trace/trace_functions_graph.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2010-08-31 09:45:21 +0200
committerIngo Molnar <mingo@elte.hu>2010-08-31 09:45:46 +0200
commitdaab7fc734a53fdeaf844b7c03053118ad1769da (patch)
tree575deb3cdcc6dda562acaed6f7c29bc81ae01cf2 /kernel/trace/trace_functions_graph.c
parent774ea0bcb27f57b6fd521b3b6c43237782fed4b9 (diff)
parent2bfc96a127bc1cc94d26bfaa40159966064f9c8c (diff)
Merge commit 'v2.6.36-rc3' into x86/memblock
Conflicts: arch/x86/kernel/trampoline.c mm/memblock.c Merge reason: Resolve the conflicts, update to latest upstream. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
-rw-r--r--kernel/trace/trace_functions_graph.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 79f4bac99a94..6f233698518e 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -507,7 +507,15 @@ get_return_for_leaf(struct trace_iterator *iter,
* if the output fails.
*/
data->ent = *curr;
- data->ret = *next;
+ /*
+ * If the next event is not a return type, then
+ * we only care about what type it is. Otherwise we can
+ * safely copy the entire event.
+ */
+ if (next->ent.type == TRACE_GRAPH_RET)
+ data->ret = *next;
+ else
+ data->ret.ent.type = next->ent.type;
}
}
@@ -641,7 +649,8 @@ trace_print_graph_duration(unsigned long long duration, struct trace_seq *s)
/* Print nsecs (we don't want to exceed 7 numbers) */
if (len < 7) {
- snprintf(nsecs_str, 8 - len, "%03lu", nsecs_rem);
+ snprintf(nsecs_str, min(sizeof(nsecs_str), 8UL - len), "%03lu",
+ nsecs_rem);
ret = trace_seq_printf(s, ".%s", nsecs_str);
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;