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raspberry_pi.c: Fix use of non initialised pincount value

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Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2015-08-13 15:28:31 +01:00
parent 832d7901d5
commit b3768ddb7c
1 changed files with 6 additions and 0 deletions
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6
src/arm/raspberry_pi.c
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@@ -212,6 +212,7 @@ mraa_raspberry_pi()
if (b == NULL) {
return NULL;
}
b->phy_pin_count = 0;
size_t len = 100;
char* line = malloc(len);
@@ -267,6 +268,11 @@ mraa_raspberry_pi()
b->pwm_max_period = 2147483;
b->pwm_min_period = 1;
if (b->phy_pin_count == 0) {
free(b);
syslog(LOG_ERR, "raspberrypi: Failed to detect platform revision");
return NULL;
}
b->pins = (mraa_pininfo_t*) malloc(sizeof(mraa_pininfo_t) * b->phy_pin_count);
advance_func->spi_init_pre = &mraa_raspberry_pi_spi_init_pre;