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drivers: ethos: don't error if recv buffer is larger than needed

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This commit is contained in:
Kaspar Schleiser 2016-02-21 23:52:29 +01:00
parent b1c06be9e4
commit a833d838b9
1 changed files with 3 additions and 2 deletions
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5
drivers/ethos/ethos.c
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@ -297,11 +297,12 @@ static int _recv(netdev2_t *netdev, char* buf, int len, void* info)
ethos_t * dev = (ethos_t *) netdev;
if (buf) {
if (len != dev->last_framesize) {
DEBUG("ethos _recv(): unmatched receive buffer size.");
if (len < dev->last_framesize) {
DEBUG("ethos _recv(): receive buffer too small.");
return -1;
}
len = dev->last_framesize;
dev->last_framesize = 0;
if ((tsrb_get(&dev->inbuf, buf, len) != len)) {