* [PATCH] smsc911x: Check platformdata pointer
@ 2012-09-10 11:33 Jan Weitzel
2012-09-10 16:07 ` Sascha Hauer
0 siblings, 1 reply; 2+ messages in thread
From: Jan Weitzel @ 2012-09-10 11:33 UTC (permalink / raw)
To: barebox
If pdata is NULL smc911x_probe will crash. Checking the zero initialized
priv->shift results in default configuration if pdata is not set.
Signed-off-by: Jan Weitzel <j.weitzel@phytec.de>
---
drivers/net/smc911x.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index bc1e001..f697608 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -435,7 +435,7 @@ static int smc911x_probe(struct device_d *dev)
priv->shift = pdata->shift;
if (is_32bit) {
- if (pdata->shift) {
+ if (priv->shift) {
priv->reg_read = __smc911x_reg_readl_shift;
priv->reg_write = __smc911x_reg_writel_shift;
} else {
@@ -443,7 +443,7 @@ static int smc911x_probe(struct device_d *dev)
priv->reg_write = __smc911x_reg_writel;
}
} else {
- if (pdata->shift) {
+ if (priv->shift) {
priv->reg_read = __smc911x_reg_readw_shift;
priv->reg_write = __smc911x_reg_writew_shift;
} else {
--
1.7.0.4
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] smsc911x: Check platformdata pointer
2012-09-10 11:33 [PATCH] smsc911x: Check platformdata pointer Jan Weitzel
@ 2012-09-10 16:07 ` Sascha Hauer
0 siblings, 0 replies; 2+ messages in thread
From: Sascha Hauer @ 2012-09-10 16:07 UTC (permalink / raw)
To: Jan Weitzel; +Cc: barebox
On Mon, Sep 10, 2012 at 01:33:29PM +0200, Jan Weitzel wrote:
> If pdata is NULL smc911x_probe will crash. Checking the zero initialized
> priv->shift results in default configuration if pdata is not set.
>
> Signed-off-by: Jan Weitzel <j.weitzel@phytec.de>
Applied, thanks
Sascha
> ---
> drivers/net/smc911x.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
> index bc1e001..f697608 100644
> --- a/drivers/net/smc911x.c
> +++ b/drivers/net/smc911x.c
> @@ -435,7 +435,7 @@ static int smc911x_probe(struct device_d *dev)
> priv->shift = pdata->shift;
>
> if (is_32bit) {
> - if (pdata->shift) {
> + if (priv->shift) {
> priv->reg_read = __smc911x_reg_readl_shift;
> priv->reg_write = __smc911x_reg_writel_shift;
> } else {
> @@ -443,7 +443,7 @@ static int smc911x_probe(struct device_d *dev)
> priv->reg_write = __smc911x_reg_writel;
> }
> } else {
> - if (pdata->shift) {
> + if (priv->shift) {
> priv->reg_read = __smc911x_reg_readw_shift;
> priv->reg_write = __smc911x_reg_writew_shift;
> } else {
> --
> 1.7.0.4
>
>
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
>
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