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sx127x: ignore empty iolist element

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This commit is contained in:
Jose Alamos 2019-03-19 17:30:55 +01:00
parent 5488c5fef6
commit 4778776790
1 changed files with 8 additions and 1 deletions
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9
drivers/sx127x/sx127x_netdev.c
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@ -54,6 +54,11 @@ static int _send(netdev_t *netdev, const iolist_t *iolist)
uint8_t size = iolist_size(iolist);
/* Ignore send if packet size is 0 */
if (size == 0) {
return 0;
}
switch (dev->settings.modem) {
case SX127X_MODEM_FSK:
/* todo */
@ -77,7 +82,9 @@ static int _send(netdev_t *netdev, const iolist_t *iolist)
/* Write payload buffer */
for (const iolist_t *iol = iolist; iol; iol = iol->iol_next) {
sx127x_write_fifo(dev, iol->iol_base, iol->iol_len);
if(iol->iol_len > 0) {
sx127x_write_fifo(dev, iol->iol_base, iol->iol_len);
}
}
break;
default: