Re: [PATCH v2 1/2] binder: Add default binder devices through binderfs when configured

From: Dan Carpenter
Date: Wed Aug 07 2019 - 07:02:27 EST


On Tue, Aug 06, 2019 at 11:40:05AM -0700, Hridya Valsaraju wrote:
> @@ -467,6 +466,9 @@ static int binderfs_fill_super(struct super_block *sb, void *data, int silent)
> int ret;
> struct binderfs_info *info;
> struct inode *inode = NULL;
> + struct binderfs_device device_info = { 0 };
> + const char *name;
> + size_t len;
>
> sb->s_blocksize = PAGE_SIZE;
> sb->s_blocksize_bits = PAGE_SHIFT;
> @@ -521,7 +523,24 @@ static int binderfs_fill_super(struct super_block *sb, void *data, int silent)
> if (!sb->s_root)
> return -ENOMEM;
>
> - return binderfs_binder_ctl_create(sb);
> + ret = binderfs_binder_ctl_create(sb);
> + if (ret)
> + return ret;
> +
> + name = binder_devices_param;
> + for (len = strcspn(name, ","); len > 0; len = strcspn(name, ",")) {
> + strscpy(device_info.name, name, len + 1);
> + ret = binderfs_binder_device_create(inode, NULL, &device_info);
> + if (ret)
> + return ret;

We should probably clean up before returning... The error handling code
would probably be tricky to write though and it's not super common.

> + name += len;
> + if (*name == ',')
> + name++;
> +
> + }
> +
> + return 0;
> +

Remove this extra blank line.

> }

regards,
dan carpenter