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Systemlib: harden perf counter handling for null ptrs

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Lorenz Meier
2016-05-05 20:07:48 +02:00
parent 32e2998fe4
commit 2e23d01b60
1 changed files with 5 additions and 1 deletions
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src/modules/systemlib/perf_counter.c
+5 -1
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@@ -1,6 +1,6 @@
/**************************************************************************** /****************************************************************************
* *
* Copyright (C) 2012-2016 PX4 Development Team. All rights reserved. * Copyright (c) 2012-2016 PX4 Development Team. All rights reserved.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions * modification, are permitted provided that the following conditions
@@ -419,6 +419,10 @@ perf_reset(perf_counter_t handle)
void void
perf_print_counter(perf_counter_t handle) perf_print_counter(perf_counter_t handle)
{ {
if (handle == NULL) {
return;
}
perf_print_counter_fd(1, handle); perf_print_counter_fd(1, handle);
} }