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aio: added standard context validity check to aio_read()

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Signed-off-by: Alex Tereschenko <alext.mkrs@gmail.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Alex Tereschenko
2016-07-10 17:34:45 +02:00
committed by Brendan Le Foll
parent eabee5f864
commit e43459d031
1 changed files with 5 additions and 0 deletions
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5
src/aio/aio.c
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@@ -156,6 +156,11 @@ mraa_aio_init(unsigned int aio)
int int
mraa_aio_read(mraa_aio_context dev) mraa_aio_read(mraa_aio_context dev)
{ {
if (dev == NULL) {
syslog(LOG_ERR, "aio: read: context is invalid");
return -1;
}
if (IS_FUNC_DEFINED(dev, aio_read_replace)) { if (IS_FUNC_DEFINED(dev, aio_read_replace)) {
return dev->advance_func->aio_read_replace(dev); return dev->advance_func->aio_read_replace(dev);
} }