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raspberry_pi.c: Fix use of non initialised pincount value
author
Brendan Le Foll
<brendan.le.foll@intel.com>
Thu, 13 Aug 2015 14:28:31 +0000
(15:28 +0100)
committer
Brendan Le Foll
<brendan.le.foll@intel.com>
Thu, 13 Aug 2015 14:28:31 +0000
(15:28 +0100)
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
src/arm/raspberry_pi.c
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diff --git
a/src/arm/raspberry_pi.c
b/src/arm/raspberry_pi.c
index
bfb6238
..
36ecc8c
100644
(file)
--- a/
src/arm/raspberry_pi.c
+++ b/
src/arm/raspberry_pi.c
@@
-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;