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gpio.c,aio.c,iio.c: misc fixes of static code analysis findings

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SonarQube is awesome!

Signed-off-by: Alex Tereschenko <alext.mkrs@gmail.com>
This commit is contained in:
Alex Tereschenko
2017-05-17 20:28:41 +02:00
parent b73fdff00d
commit 816be65ba0
3 changed files with 11 additions and 1 deletions
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5
src/aio/aio.c
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@@ -37,6 +37,11 @@ static int raw_bits;
static mraa_result_t
aio_get_valid_fp(mraa_aio_context dev)
{
if (dev == NULL) {
syslog(LOG_ERR, "aio: get_valid_fp: context is invalid");
return MRAA_ERROR_INVALID_HANDLE;
}
if (IS_FUNC_DEFINED(dev, aio_get_valid_fp)) {
return dev->advance_func->aio_get_valid_fp(dev);
}

5
src/gpio/gpio.c
View File

@@ -238,6 +238,11 @@ mraa_gpio_wait_interrupt(int fd
static void*
mraa_gpio_interrupt_handler(void* arg)
{
if (arg == NULL) {
syslog(LOG_ERR, "gpio: interrupt_handler: context is invalid");
return NULL;
}
mraa_gpio_context dev = (mraa_gpio_context) arg;
int fp = -1;
mraa_result_t ret;

2
src/iio/iio.c
View File

@@ -465,7 +465,7 @@ mraa_iio_event_poll(mraa_iio_context dev, struct iio_event_data* data)
if (ret == -1 || event_fd == -1)
return MRAA_ERROR_UNSPECIFIED;
ret = read(event_fd, data, sizeof(struct iio_event_data));
read(event_fd, data, sizeof(struct iio_event_data));
close(event_fd);
return MRAA_SUCCESS;