[PATCH v1] mtd: devices: phram.c: Fix multiple kfree statement from phram_setup

[PATCH v1] mtd: devices: phram.c: Fix multiple kfree statement from phram_setup

[Saurav Girepunje]

Remove multiple kfree statement from phram_setup() in phram.c

Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
---

Change in v1:

- Add change suggested by Miquel Raynal <miquel.raynal@bootlin.com>
  "The goto statement should not describe from where it is called but the
   action it is supposed to take. 'goto free_nam;' would be better."

 drivers/mtd/devices/phram.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
index c467286ca007..38f95a1517ac 100644
--- a/drivers/mtd/devices/phram.c
+++ b/drivers/mtd/devices/phram.c
@@ -243,22 +243,22 @@ static int phram_setup(const char *val)
 
 	ret = parse_num64(&start, token[1]);
 	if (ret) {
-		kfree(name);
 		parse_err("illegal start address\n");
+		goto free_nam;
 	}
 
 	ret = parse_num64(&len, token[2]);
 	if (ret) {
-		kfree(name);
 		parse_err("illegal device length\n");
+		goto free_nam;
 	}
 
 	ret = register_device(name, start, len);
 	if (!ret)
 		pr_info("%s device: %#llx at %#llx\n", name, len, start);
-	else
-		kfree(name);
 
+free_nam:
+	kfree(name);
 	return ret;
 }
 
-- 
2.20.1

Re: [PATCH v1] mtd: devices: phram.c: Fix multiple kfree statement from phram_setup

[Miquel Raynal]

Saurav,

Saurav Girepunje <saurav.girepunje@gmail.com> wrote on Tue, 29 Oct 2019
22:38:49 +0530:

Are you a robot?

> Remove multiple kfree statement from phram_setup() in phram.c

This does not describe what you are doing, you don't remove them you
factorize them. And honestly I am not convinced this change is useful
in old code.

> 
> Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
> ---
> 
> Change in v1:

Your first version is v1, how can you be at v1? It is almost v3 already!

> 
> - Add change suggested by Miquel Raynal <miquel.raynal@bootlin.com>
>   "The goto statement should not describe from where it is called but the
>    action it is supposed to take. 'goto free_nam;' would be better."

This is a copy/paste of what I have said. What I want you to write is:

"
- Rename the goto statement to describe bla bla bla.
- Fix the typo in the goto label.
"

> 
>  drivers/mtd/devices/phram.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
> index c467286ca007..38f95a1517ac 100644
> --- a/drivers/mtd/devices/phram.c
> +++ b/drivers/mtd/devices/phram.c
> @@ -243,22 +243,22 @@ static int phram_setup(const char *val)
>  
>  	ret = parse_num64(&start, token[1]);
>  	if (ret) {
> -		kfree(name);
>  		parse_err("illegal start address\n");
> +		goto free_nam;

Come one...


Thanks,
Miquèl