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mraa.c: fix error handling & leak in mraa_setup_mux_mapped

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Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2014-12-10 15:29:08 +00:00
parent da15fdb6da
commit 643bb99892
1 changed files with 12 additions and 3 deletions
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15
src/mraa.c
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@@ -125,15 +125,24 @@ mraa_result_t
mraa_setup_mux_mapped(mraa_pin_t meta)
{
int mi;
for (mi = 0; mi < meta.mux_total; mi++) {
mraa_gpio_context mux_i;
mux_i = mraa_gpio_init_raw(meta.mux[mi].pin);
if (mux_i == NULL)
if (mux_i == NULL) {
return MRAA_ERROR_INVALID_HANDLE;
mraa_gpio_dir(mux_i, MRAA_GPIO_OUT);
if (mraa_gpio_write(mux_i, meta.mux[mi].value) != MRAA_SUCCESS)
}
if (mraa_gpio_dir(mux_i, MRAA_GPIO_OUT) != MRAA_SUCCESS) {
mraa_gpio_close(mux_i);
return MRAA_ERROR_UNSPECIFIED;
}
if (mraa_gpio_write(mux_i, meta.mux[mi].value) != MRAA_SUCCESS) {
mraa_gpio_close(mux_i);
return MRAA_ERROR_INVALID_RESOURCE;
}
mraa_gpio_close(mux_i);
}
return MRAA_SUCCESS;
}