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| author | Tom Zanussi <zanussi@kernel.org> | 2020-10-05 01:14:03 +0300 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2020-10-06 01:13:53 +0300 |
| commit | 4a4a56b4e76bbe3211c4f93d99c0c1543f5f3230 (patch) | |
| tree | db49911691e2260abce125a982007e3b49acaad1 /kernel/trace/trace_events_hist.c | |
| parent | fdda88d31addb19a35ac7962e752e55aaeb5c20a (diff) | |
| download | linux-4a4a56b4e76bbe3211c4f93d99c0c1543f5f3230.tar.xz | |
tracing: Change STR_VAR_MAX_LEN
32 is too small for this value, and anyway it makes more sense to use
MAX_FILTER_STR_VAL, as this is also the value used for variable-length
__strings.
Link: https://lkml.kernel.org/r/6adfd1668ac1fd8670bd58206944a762061a5559.1601848695.git.zanussi@kernel.org
Tested-by: Axel Rasmussen <axelrasmussen@google.com>
Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_events_hist.c')
| -rw-r--r-- | kernel/trace/trace_events_hist.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 1b2ef6490229..3b22e2122d1a 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -1398,6 +1398,8 @@ static int hist_trigger_elt_data_alloc(struct tracing_map_elt *elt) n_str = hist_data->n_field_var_str + hist_data->n_save_var_str; + BUILD_BUG_ON(STR_VAR_LEN_MAX & (sizeof(u64) - 1)); + size = STR_VAR_LEN_MAX; for (i = 0; i < n_str; i++) { |