mtd: spi-nor: cadence-quadspi: Return error code in cqspi_direct_read_execute()

We return 0 unconditionally in 'cqspi_direct_read_execute()'.
However, 'ret' is set to some error codes in several error handling
paths.

Return 'ret' instead to propagate the error code.

Fixes: ffa639e069fb ("mtd: spi-nor: cadence-quadspi: Add DMA support for direct mode reads")
Cc: <stable@vger.kernel.org>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
This commit is contained in:
Christophe JAILLET 2018-10-16 09:13:46 +02:00 committed by Boris Brezillon
parent d098093ba0
commit 91d7b67000

View File

@ -996,7 +996,7 @@ static int cqspi_direct_read_execute(struct spi_nor *nor, u_char *buf,
err_unmap:
dma_unmap_single(nor->dev, dma_dst, len, DMA_FROM_DEVICE);
return 0;
return ret;
}
static ssize_t cqspi_read(struct spi_nor *nor, loff_t from,