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Fix transmit error reporting.

This commit is contained in:
px4dev 2012-11-02 22:46:35 -07:00
parent c8e90688b0
commit e36bd4b243
2 changed files with 6 additions and 8 deletions
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11
apps/systemlib/hx_stream.c
View File

@ -186,10 +186,8 @@ hx_stream_send(hx_stream_t stream,
const uint8_t *p = (const uint8_t *)data;
unsigned resid = count;
if (resid > HX_STREAM_MAX_FRAME) {
errno = EINVAL;
return -1;
}
if (resid > HX_STREAM_MAX_FRAME)
return -EINVAL;
/* start the frame */
hx_tx_raw(stream, FBO);
@ -214,10 +212,11 @@ hx_stream_send(hx_stream_t stream,
/* check for transmit error */
if (stream->txerror) {
stream->txerror = false;
return -1;
return -EIO;
}
return -1;
perf_count(stream->pc_tx_frames);
return 0;
}
void

3
apps/systemlib/hx_stream.h
View File

@ -102,8 +102,7 @@ __EXPORT extern void hx_stream_set_counters(hx_stream_t stream,
* @param stream A handle returned from hx_stream_init.
* @param data Pointer to the data to send.
* @param count The number of bytes to send.
* @return Zero on success, nonzero with errno
* set on error.
* @return Zero on success, -errno on error.
*/
__EXPORT extern int hx_stream_send(hx_stream_t stream,
const void *data,