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-rw-r--r--drivers/spi/spi_bitbang.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c
index f7f8580edad8..71e881419cdd 100644
--- a/drivers/spi/spi_bitbang.c
+++ b/drivers/spi/spi_bitbang.c
@@ -344,12 +344,14 @@ static void bitbang_work(struct work_struct *work)
344 t->rx_dma = t->tx_dma = 0; 344 t->rx_dma = t->tx_dma = 0;
345 status = bitbang->txrx_bufs(spi, t); 345 status = bitbang->txrx_bufs(spi, t);
346 } 346 }
347 if (status > 0)
348 m->actual_length += status;
347 if (status != t->len) { 349 if (status != t->len) {
348 if (status > 0) 350 /* always report some kind of error */
349 status = -EMSGSIZE; 351 if (status >= 0)
352 status = -EREMOTEIO;
350 break; 353 break;
351 } 354 }
352 m->actual_length += status;
353 status = 0; 355 status = 0;
354 356
355 /* protocol tweaks before next transfer */ 357 /* protocol tweaks before next transfer */