linux-kernel - Re: [PATCH 02/16 v3] pramfs: super operations

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Date:	Mon, 15 Nov 2010 10:27:10 +0800
From:	yidong zhang <zhangyd6@...il.com>
To:	Marco Stornelli <marco.stornelli@...il.com>
Cc:	linux-embedded@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, tim.bird@...sony.com,
	akpm@...ux-foundation.org
Subject: Re: [PATCH 02/16 v3] pramfs: super operations

hi Marco

> +       retval = 0;
> + out:
> +       if (retval && sbi->virt_addr) {
> +               iounmap(sbi->virt_addr);
> +               release_mem_region(sbi->phys_addr, initsize);
> +               kfree(sbi);
> +       }
> +
> +       return retval;
> +}
> +
  I think kfree(sbi) should not be put here. In case of
pram_parse_options failure, sbi should also be freed too.  How about
change it to the list below? And change some “goto out”   branches to
“goto out_free”.

 //    retval = 0;
     return 0;
 out:
       if (retval && sbi->virt_addr) {
               iounmap(sbi->virt_addr);
               release_mem_region(sbi->phys_addr, initsize);
       }
out_free:
               kfree(sbi);
       return retval;
}
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