diff options
Diffstat (limited to 'libhw_cr/rp2040_hwspi.c')
-rw-r--r-- | libhw_cr/rp2040_hwspi.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libhw_cr/rp2040_hwspi.c b/libhw_cr/rp2040_hwspi.c index c0b4fa4..ee03b03 100644 --- a/libhw_cr/rp2040_hwspi.c +++ b/libhw_cr/rp2040_hwspi.c @@ -158,12 +158,14 @@ static void rp2040_hwspi_readwritev(struct rp2040_hwspi *self, const struct dupl uint8_t bogus_rx_dst; + size_t count = 0; int pruned_iovcnt = 0; - for (int i = 0; i < iovcnt; i++) + for (int i = 0; i < iovcnt; i++) { + count += iov[i].iov_len; if (iov[i].iov_len) pruned_iovcnt++; - if (!pruned_iovcnt) - return; + } + assert(count); /* It doesn't *really* matter which aliases we choose: * |