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gp2y0a: test for NULL alloc and clear allocated memory

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Signed-off-by: Jon Trulson <jtrulson@ics.com>
This commit is contained in:
Jon Trulson 2016-10-25 16:43:33 -06:00
parent 1483ab6a88
commit 370d43d1b3
1 changed files with 10 additions and 1 deletions
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11
src/gp2y0a/gp2y0a.c
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@ -33,8 +33,17 @@ gp2y0a_context gp2y0a_init(uint8_t pin, float a_ref){
return NULL; return NULL;
} }
gp2y0a_context dev = (gp2y0a_context) malloc(sizeof(struct _gp2y0a_context)); gp2y0a_context dev =
(gp2y0a_context) malloc(sizeof(struct _gp2y0a_context));
if (!dev)
{
printf("%s: device context allocation failed (%d).\n",
__FUNCTION__, mraa_rv);
return NULL;
}
memset((void *)dev, 0, sizeof(struct _gp2y0a_context));
dev->pin = pin; dev->pin = pin;
dev->aio = mraa_aio_init(dev->pin); dev->aio = mraa_aio_init(dev->pin);
if(dev->aio == NULL){ if(dev->aio == NULL){