From: Martin Sperl <[email protected]>
Signed-off-by: Martin Sperl <[email protected]>
---
drivers/spi/spi.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
applies against for-next
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index d35c1a1..a73d9e4 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -620,6 +620,7 @@ static int spi_map_msg(struct spi_master *master, struct
spi_message *msg)
struct spi_transfer *xfer;
void *tmp;
unsigned int max_tx, max_rx;
+ int ret;
if (master->flags & (SPI_MASTER_MUST_RX | SPI_MASTER_MUST_TX)) {
max_tx = 0;
@@ -662,7 +663,11 @@ static int spi_map_msg(struct spi_master *master, struct
spi_message *msg)
}
}
- return __spi_map_msg(master, msg);
+ ret = __spi_map_msg(master, msg);
+ if (ret)
+ spi_unmap_msg(master, msg);
+
+ return ret;
}
/*
--
1.7.10.4
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