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| author | David S. Miller <davem@davemloft.net> | 2009-08-13 04:44:53 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-08-13 04:44:53 +0400 |
| commit | aa11d958d1a6572eda08214d7c6a735804fe48a5 (patch) | |
| tree | d025b05270ad1e010660d17eeadc6ac3c1abbd7d /kernel/trace/trace_functions_graph.c | |
| parent | 07f6642ee9418e962e54cbc07471cfe2e559c568 (diff) | |
| parent | 9799218ae36910af50f002a5db1802d576fffb43 (diff) | |
| download | linux-aa11d958d1a6572eda08214d7c6a735804fe48a5.tar.xz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
arch/microblaze/include/asm/socket.h
Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
| -rw-r--r-- | kernel/trace/trace_functions_graph.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c index d2249abafb53..420ec3487579 100644 --- a/kernel/trace/trace_functions_graph.c +++ b/kernel/trace/trace_functions_graph.c @@ -843,9 +843,16 @@ print_graph_function(struct trace_iterator *iter) switch (entry->type) { case TRACE_GRAPH_ENT: { - struct ftrace_graph_ent_entry *field; + /* + * print_graph_entry() may consume the current event, + * thus @field may become invalid, so we need to save it. + * sizeof(struct ftrace_graph_ent_entry) is very small, + * it can be safely saved at the stack. + */ + struct ftrace_graph_ent_entry *field, saved; trace_assign_type(field, entry); - return print_graph_entry(field, s, iter); + saved = *field; + return print_graph_entry(&saved, s, iter); } case TRACE_GRAPH_RET: { struct ftrace_graph_ret_entry *field; |