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aio.c: check aio_get_valid_fp return value
author
Brendan Le Foll
<brendan.le.foll@intel.com>
Wed, 26 Nov 2014 13:30:10 +0000
(13:30 +0000)
committer
Brendan Le Foll
<brendan.le.foll@intel.com>
Wed, 26 Nov 2014 13:30:10 +0000
(13:30 +0000)
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
src/aio/aio.c
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diff --git
a/src/aio/aio.c
b/src/aio/aio.c
index
f871fbb
..
f728863
100644
(file)
--- a/
src/aio/aio.c
+++ b/
src/aio/aio.c
@@
-121,7
+121,10
@@
mraa_aio_read(mraa_aio_context dev)
unsigned int shifter_value = 0;
if (dev->adc_in_fp == -1) {
- aio_get_valid_fp(dev);
+ if (aio_get_valid_fp(dev) != MRAA_SUCCESS) {
+ syslog(LOG_ERR, "aio: Failed to get to the device");
+ return 0;
+ }
}
lseek(dev->adc_in_fp, 0, SEEK_SET);