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tracing: provide correct return value after outputting the event 

This patch is to make the function return early on failure, and give
correct return value on success.

Signed-off-by: Wenji Huang <wenji.huang@oracle.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
This commit is contained in:
Wenji Huang 2009-02-10 01:03:05 -05:00 committed by Steven Rostedt
parent f54fc98aa6
commit 810dc73265
1 changed files with 7 additions and 7 deletions
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14
kernel/trace/trace_functions_graph.c
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@ -186,30 +186,30 @@ verif_pid(struct trace_seq *s, pid_t pid, int cpu, pid_t *last_pids_cpu)
ret = trace_seq_printf(s, ret = trace_seq_printf(s,
" ------------------------------------------\n"); " ------------------------------------------\n");
if (!ret) if (!ret)
TRACE_TYPE_PARTIAL_LINE; return TRACE_TYPE_PARTIAL_LINE;
ret = print_graph_cpu(s, cpu); ret = print_graph_cpu(s, cpu);
if (ret == TRACE_TYPE_PARTIAL_LINE) if (ret == TRACE_TYPE_PARTIAL_LINE)
TRACE_TYPE_PARTIAL_LINE; return TRACE_TYPE_PARTIAL_LINE;
ret = print_graph_proc(s, prev_pid); ret = print_graph_proc(s, prev_pid);
if (ret == TRACE_TYPE_PARTIAL_LINE) if (ret == TRACE_TYPE_PARTIAL_LINE)
TRACE_TYPE_PARTIAL_LINE; return TRACE_TYPE_PARTIAL_LINE;
ret = trace_seq_printf(s, " => "); ret = trace_seq_printf(s, " => ");
if (!ret) if (!ret)
TRACE_TYPE_PARTIAL_LINE; return TRACE_TYPE_PARTIAL_LINE;
ret = print_graph_proc(s, pid); ret = print_graph_proc(s, pid);
if (ret == TRACE_TYPE_PARTIAL_LINE) if (ret == TRACE_TYPE_PARTIAL_LINE)
TRACE_TYPE_PARTIAL_LINE; return TRACE_TYPE_PARTIAL_LINE;
ret = trace_seq_printf(s, ret = trace_seq_printf(s,
"\n ------------------------------------------\n\n"); "\n ------------------------------------------\n\n");
if (!ret) if (!ret)
TRACE_TYPE_PARTIAL_LINE; return TRACE_TYPE_PARTIAL_LINE;
return ret; return TRACE_TYPE_HANDLED;
} }
static struct ftrace_graph_ret_entry * static struct ftrace_graph_ret_entry *