From 81a66446c319225c4a8f0c4c0d9cf4ee10f8c2b9 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Mon, 9 Feb 2015 15:11:09 +0800
Subject: [PATCH] spi: ftssp010_spi: Use to_ftssp010_spi() to ensure free
correct address
Don't assume slave is always the first member of struct ftssp010_spi.
Use to_ftssp010_spi() to ensure free correct address in spi_free_slave().
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
---
drivers/spi/ftssp010_spi.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/ftssp010_spi.c b/drivers/spi/ftssp010_spi.c
index 267e4d83bd..c7d6480478 100644
--- a/drivers/spi/ftssp010_spi.c
+++ b/drivers/spi/ftssp010_spi.c
@@ -431,7 +431,9 @@ free_out:
void spi_free_slave(struct spi_slave *slave)
{
- free(slave);
+ struct ftssp010_spi *chip = to_ftssp010_spi(slave);
+
+ free(chip);
}
int spi_claim_bus(struct spi_slave *slave)
--
2.39.5