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| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-11-01 10:16:55 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-11-02 09:57:08 +0100 |
| commit | 0f9c76614a7f91b92cd76dd08cfca7d77bbe7000 (patch) | |
| tree | 87a588eee0cf2f0a8f3773d735b1614a53c43fff /drivers/mtd/devices/mtd_dataflash.c | |
| parent | d486b620fa308e3bac36e075737e773afa6022df (diff) | |
| download | barebox-0f9c76614a7f91b92cd76dd08cfca7d77bbe7000.tar.gz barebox-0f9c76614a7f91b92cd76dd08cfca7d77bbe7000.tar.xz | |
mtd: dataflash: fix spi_transfer init
on some system as the spi_transfer is not set to 0 if the rx_buf or tx_buf
are not used they are not set to NULL
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/mtd/devices/mtd_dataflash.c')
| -rw-r--r-- | drivers/mtd/devices/mtd_dataflash.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c index cbed15b374..3b7b9c6bdc 100644 --- a/drivers/mtd/devices/mtd_dataflash.c +++ b/drivers/mtd/devices/mtd_dataflash.c @@ -161,6 +161,8 @@ static int dataflash_erase(struct mtd_info *mtd, struct erase_info *instr) spi_message_init(&msg); + memset(&x, 0, sizeof(x)); + x.tx_buf = command = priv->command; x.len = 4; spi_message_add_tail(&x, &msg); @@ -246,6 +248,8 @@ static int dataflash_read(struct mtd_info *mtd, loff_t from, size_t len, spi_message_init(&msg); + memset(&x[0], 0, sizeof(struct spi_transfer) * 2); + x[0].tx_buf = command; x[0].len = 8; spi_message_add_tail(&x[0], &msg); @@ -302,6 +306,8 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len, spi_message_init(&msg); + memset(&x[0], 0, sizeof(struct spi_transfer) * 2); + x[0].tx_buf = command = priv->command; x[0].len = 4; spi_message_add_tail(&x[0], &msg); |