Re: [PATCH] scsi: target: return -ENOMEM when kzalloc failed

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On 3/29/23 19:38, Jiapeng Chong wrote:
> The driver is using -1 instead of the -ENOMEM defined macro to specify
> that a buffer allocation failed.
>
> drivers/target/iscsi/iscsi_target.c:691 iscsi_target_init_module() warn: returning -1 instead of -ENOMEM is sloppy.
>
> Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4644
> Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
> ---
>   drivers/target/iscsi/iscsi_target.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
> index 834cce50f9b0..d3a40c3caaf5 100644
> --- a/drivers/target/iscsi/iscsi_target.c
> +++ b/drivers/target/iscsi/iscsi_target.c
> @@ -688,7 +688,7 @@ static int __init iscsi_target_init_module(void)
>   	pr_debug("iSCSI-Target "ISCSIT_VERSION"\n");
>   	iscsit_global = kzalloc(sizeof(*iscsit_global), GFP_KERNEL);
>   	if (!iscsit_global)
> -		return -1;
> +		return -ENOMEM;
>   
>   	spin_lock_init(&iscsit_global->ts_bitmap_lock);
>   	mutex_init(&auth_id_lock);

you can also just use goto out, it has return -ENOMEM, no biggy..
Also, it will be useful to print the error message here as we
are making this change..

irrespective of that :

Looks good.

Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx>

-ck






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