[PATCH linux dev-4.7] drivers: fsi: Copy all data out

[Eddie James]

From: "Edward A. James" <eajames at us.ibm.com>

Driver was only copying 32 bits out to the user-provided data pointer.

Signed-off-by: Edward A. James <eajames at us.ibm.com>
---
 drivers/fsi/fsi-master-gpio.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/fsi/fsi-master-gpio.c b/drivers/fsi/fsi-master-gpio.c
index 3ed82ea..3eb6ec2 100644
--- a/drivers/fsi/fsi-master-gpio.c
+++ b/drivers/fsi/fsi-master-gpio.c
@@ -203,7 +203,7 @@ static void fsi_master_gpio_error(struct fsi_master_gpio *master, int error)
 static int poll_for_response(struct fsi_master_gpio *master, uint8_t expected,
 			uint8_t size, void *data)
 {
-	int busy_count = 0, i;
+	int busy_count = 0, i, j;
 	struct fsi_gpio_msg response, cmd;
 	int bits_remaining = 0, bit_count, response_id, id;
 	uint64_t resp = 0;
@@ -274,7 +274,8 @@ static int poll_for_response(struct fsi_master_gpio *master, uint8_t expected,
 			resp <<= bits_remaining;
 			resp |= response.msg;
 			bits_received += bits_remaining;
-			*((uint32_t *)data) = response.msg;
+			for (j = 0; j < size; ++j)
+				((uint8_t *)data)[j] = ((uint8_t *)&response.msg)[j];
 		}
 
 		crc_in = fsi_crc4(0, resp | (0x1ULL << bits_received),
-- 
1.8.3.1