linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] powerpc: 512x: Fix mpc5121_clk_get()
@ 2012-03-26 19:01 Richard Weinberger
  2012-04-09 13:06 ` Richard Weinberger
  2012-04-11  9:06 ` Anatolij Gustschin
  0 siblings, 2 replies; 3+ messages in thread
From: Richard Weinberger @ 2012-03-26 19:01 UTC (permalink / raw)
  To: linuxppc-dev; +Cc: linux-kernel, paulus, benh, agust, Richard Weinberger

If try_module_get() fails, mpc5121_clk_get() might return
a wrong clock.

Signed-off-by: Richard Weinberger <richard@nod.at>
---
 arch/powerpc/platforms/512x/clock.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c
index 1d8700f..9f771e0 100644
--- a/arch/powerpc/platforms/512x/clock.c
+++ b/arch/powerpc/platforms/512x/clock.c
@@ -54,14 +54,16 @@ static DEFINE_MUTEX(clocks_mutex);
 static struct clk *mpc5121_clk_get(struct device *dev, const char *id)
 {
 	struct clk *p, *clk = ERR_PTR(-ENOENT);
-	int dev_match = 0;
-	int id_match = 0;
+	int dev_match;
+	int id_match;
 
 	if (dev == NULL || id == NULL)
 		return clk;
 
 	mutex_lock(&clocks_mutex);
 	list_for_each_entry(p, &clocks, node) {
+		dev_match = id_match = 0;
+
 		if (dev == p->dev)
 			dev_match++;
 		if (strcmp(id, p->name) == 0)
-- 
1.7.7.3


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] powerpc: 512x: Fix mpc5121_clk_get()
  2012-03-26 19:01 [PATCH] powerpc: 512x: Fix mpc5121_clk_get() Richard Weinberger
@ 2012-04-09 13:06 ` Richard Weinberger
  2012-04-11  9:06 ` Anatolij Gustschin
  1 sibling, 0 replies; 3+ messages in thread
From: Richard Weinberger @ 2012-04-09 13:06 UTC (permalink / raw)
  To: Richard Weinberger; +Cc: linuxppc-dev, linux-kernel, paulus, benh, agust

[-- Attachment #1: Type: text/plain, Size: 1081 bytes --]

Am 26.03.2012 21:01, schrieb Richard Weinberger:
> If try_module_get() fails, mpc5121_clk_get() might return
> a wrong clock.
> 
> Signed-off-by: Richard Weinberger <richard@nod.at>
> ---
>  arch/powerpc/platforms/512x/clock.c |    6 ++++--
>  1 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c
> index 1d8700f..9f771e0 100644
> --- a/arch/powerpc/platforms/512x/clock.c
> +++ b/arch/powerpc/platforms/512x/clock.c
> @@ -54,14 +54,16 @@ static DEFINE_MUTEX(clocks_mutex);
>  static struct clk *mpc5121_clk_get(struct device *dev, const char *id)
>  {
>  	struct clk *p, *clk = ERR_PTR(-ENOENT);
> -	int dev_match = 0;
> -	int id_match = 0;
> +	int dev_match;
> +	int id_match;
>  
>  	if (dev == NULL || id == NULL)
>  		return clk;
>  
>  	mutex_lock(&clocks_mutex);
>  	list_for_each_entry(p, &clocks, node) {
> +		dev_match = id_match = 0;
> +
>  		if (dev == p->dev)
>  			dev_match++;
>  		if (strcmp(id, p->name) == 0)

*ping*

Thanks,
//richard


[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 490 bytes --]

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] powerpc: 512x: Fix mpc5121_clk_get()
  2012-03-26 19:01 [PATCH] powerpc: 512x: Fix mpc5121_clk_get() Richard Weinberger
  2012-04-09 13:06 ` Richard Weinberger
@ 2012-04-11  9:06 ` Anatolij Gustschin
  1 sibling, 0 replies; 3+ messages in thread
From: Anatolij Gustschin @ 2012-04-11  9:06 UTC (permalink / raw)
  To: Richard Weinberger; +Cc: linuxppc-dev, linux-kernel, paulus, benh

On Mon, 26 Mar 2012 21:01:29 +0200
Richard Weinberger <richard@nod.at> wrote:

> If try_module_get() fails, mpc5121_clk_get() might return
> a wrong clock.
> 
> Signed-off-by: Richard Weinberger <richard@nod.at>
> ---
>  arch/powerpc/platforms/512x/clock.c |    6 ++++--
>  1 files changed, 4 insertions(+), 2 deletions(-)

Applied, thanks.

Anatolij

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2012-04-11  9:07 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2012-03-26 19:01 [PATCH] powerpc: 512x: Fix mpc5121_clk_get() Richard Weinberger
2012-04-09 13:06 ` Richard Weinberger
2012-04-11  9:06 ` Anatolij Gustschin

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).