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* [PATCH] ipmi: Fix memory leak in __ipmi_bmc_register
@ 2019-10-21 20:06 Navid Emamdoost
  2019-10-22 15:49 ` Corey Minyard
  0 siblings, 1 reply; 2+ messages in thread
From: Navid Emamdoost @ 2019-10-21 20:06 UTC (permalink / raw)
  Cc: emamd001, kjlu, smccaman, Navid Emamdoost, Corey Minyard,
	Arnd Bergmann, Greg Kroah-Hartman, openipmi-developer,
	linux-kernel

In the impelementation of __ipmi_bmc_register() the allocated memory for
bmc should be released in case ida_simple_get() fails.

Fixes: 68e7e50f195f ("ipmi: Don't use BMC product/dev ids in the BMC name")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
---
 drivers/char/ipmi/ipmi_msghandler.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 2aab80e19ae0..e4928ed46396 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -3031,8 +3031,11 @@ static int __ipmi_bmc_register(struct ipmi_smi *intf,
 		bmc->pdev.name = "ipmi_bmc";
 
 		rv = ida_simple_get(&ipmi_bmc_ida, 0, 0, GFP_KERNEL);
-		if (rv < 0)
+		if (rv < 0) {
+			kfree(bmc);
 			goto out;
+		}
+
 		bmc->pdev.dev.driver = &ipmidriver.driver;
 		bmc->pdev.id = rv;
 		bmc->pdev.dev.release = release_bmc_device;
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] ipmi: Fix memory leak in __ipmi_bmc_register
  2019-10-21 20:06 [PATCH] ipmi: Fix memory leak in __ipmi_bmc_register Navid Emamdoost
@ 2019-10-22 15:49 ` Corey Minyard
  0 siblings, 0 replies; 2+ messages in thread
From: Corey Minyard @ 2019-10-22 15:49 UTC (permalink / raw)
  To: Navid Emamdoost
  Cc: emamd001, kjlu, smccaman, Arnd Bergmann, Greg Kroah-Hartman,
	openipmi-developer, linux-kernel

On Mon, Oct 21, 2019 at 03:06:48PM -0500, Navid Emamdoost wrote:
> In the impelementation of __ipmi_bmc_register() the allocated memory for
> bmc should be released in case ida_simple_get() fails.

Thanks, queued for next merge window.

-corey

> 
> Fixes: 68e7e50f195f ("ipmi: Don't use BMC product/dev ids in the BMC name")
> Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
> ---
>  drivers/char/ipmi/ipmi_msghandler.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
> index 2aab80e19ae0..e4928ed46396 100644
> --- a/drivers/char/ipmi/ipmi_msghandler.c
> +++ b/drivers/char/ipmi/ipmi_msghandler.c
> @@ -3031,8 +3031,11 @@ static int __ipmi_bmc_register(struct ipmi_smi *intf,
>  		bmc->pdev.name = "ipmi_bmc";
>  
>  		rv = ida_simple_get(&ipmi_bmc_ida, 0, 0, GFP_KERNEL);
> -		if (rv < 0)
> +		if (rv < 0) {
> +			kfree(bmc);
>  			goto out;
> +		}
> +
>  		bmc->pdev.dev.driver = &ipmidriver.driver;
>  		bmc->pdev.id = rv;
>  		bmc->pdev.dev.release = release_bmc_device;
> -- 
> 2.17.1
> 

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2019-10-22 15:49 UTC | newest]

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2019-10-21 20:06 [PATCH] ipmi: Fix memory leak in __ipmi_bmc_register Navid Emamdoost
2019-10-22 15:49 ` Corey Minyard

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