Messages in this thread Patch in this message | | | Subject | [PATCH 3/7] kernel-trace: Adjust two checks for null pointers in compatible_field() | From | SF Markus Elfring <> | Date | Fri, 5 May 2017 23:03:23 +0200 |
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From: Markus Elfring <elfring@users.sourceforge.net> Date: Fri, 5 May 2017 20:00:11 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit
The script “checkpatch.pl” pointed information out like the following.
Comparison to NULL could be written !…
Thus fix the affected source code place.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- kernel/trace/trace_events_hist.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index df566e21344d..36412deac24c 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -1324,7 +1324,7 @@ static bool compatible_field(struct ftrace_event_field *field, { if (field == test_field) return true; - if (field == NULL || test_field == NULL) + if (!field || !test_field) return false; if (strcmp(field->name, test_field->name) != 0) return false; -- 2.12.2
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