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AP_HAL_Linux: fix perf

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Fix warning (warning: declaration of 'perf_count' shadows a member of 'this')
and check that perf is not NULL before indirection
This commit is contained in:
Julien BERAUD 2015-11-13 15:08:53 +01:00 committed by Andrew Tridgell
parent 259f5f07e8
commit 2f610a400a
1 changed files with 21 additions and 6 deletions
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27
libraries/AP_HAL_Linux/Perf.cpp
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@ -105,6 +105,11 @@ static inline uint64_t timespec_to_nsec(const struct timespec *ts)
void Util::perf_begin(perf_counter_t perf)
{
struct perf_counter_elapsed_t *perf_elapsed = (struct perf_counter_elapsed_t *)perf;
if (perf_elapsed == NULL) {
hal.console->printf("Trying to begin uninitialized perf counter\n");
return;
}
if (perf_elapsed->base.type != PC_ELAPSED) {
hal.console->printf("perf_begin() called over a perf_counter_t(%s) that"
" is not of the PC_ELAPSED type.\n",
@ -121,6 +126,11 @@ void Util::perf_end(perf_counter_t perf)
{
struct perf_counter_elapsed_t *perf_elapsed = (struct perf_counter_elapsed_t *)perf;
if (perf_elapsed == NULL) {
hal.console->printf("Trying to end uninitialized perf counter\n");
return;
}
if (perf_elapsed->base.type != PC_ELAPSED) {
hal.console->printf("perf_end() called over a perf_counter_t(%s) "
"that is not of the PC_ELAPSED type.\n",
@ -162,16 +172,21 @@ void Util::perf_end(perf_counter_t perf)
void Util::perf_count(perf_counter_t perf)
{
struct perf_counter_count_t *perf_count = (struct perf_counter_count_t *)perf;
struct perf_counter_count_t *perf_counter = (struct perf_counter_count_t *)perf;
if (perf_count->base.type != PC_COUNT) {
hal.console->printf("perf_count() called over a perf_counter_t(%s) "
"that is not of the PC_COUNT type.\n",
perf_count->base.name);
if (perf_counter == NULL) {
hal.console->printf("Trying to count uninitialized perf counter\n");
return;
}
perf_count->count++;
if (perf_counter->base.type != PC_COUNT) {
hal.console->printf("perf_count() called over a perf_counter_t(%s) "
"that is not of the PC_COUNT type.\n",
perf_counter->base.name);
return;
}
perf_counter->count++;
}
#endif