RE: [PATCH] scsi: megaraid_sas: Prevent future %p disaster

From: Kashyap Desai
Date: Tue Feb 10 2015 - 11:46:15 EST


Acked-by: Kashyap Desai <kashyap.desai@xxxxxxxxxxxxx>

> -----Original Message-----
> From: Rasmus Villemoes [mailto:linux@xxxxxxxxxxxxxxxxxx]
> Sent: Friday, February 06, 2015 8:04 PM
> To: Kashyap Desai; Sumit Saxena; Uday Lingala; James E.J. Bottomley
> Cc: Rasmus Villemoes; megaraidlinux.pdl@xxxxxxxxxxxxx; linux-
> scsi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Subject: [PATCH] scsi: megaraid_sas: Prevent future %p disaster
>
> There is currently no %po format extension, so currently the letters
"on" are
> simply skipped and the pointer is printed as expected (while missing the
word
> on). However, it is probably only a matter of time before someone comes
up
> with a %po extension, at which point this is likely to fail
spectacularly.
>
> Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
> ---
> drivers/scsi/megaraid/megaraid_sas_base.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c
> b/drivers/scsi/megaraid/megaraid_sas_base.c
> index ff283d23788a..e7c6b9c946d6 100644
> --- a/drivers/scsi/megaraid/megaraid_sas_base.c
> +++ b/drivers/scsi/megaraid/megaraid_sas_base.c
> @@ -3105,7 +3105,7 @@ megasas_internal_reset_defer_cmds(struct
> megasas_instance *instance)
> for (i = 0; i < max_cmd; i++) {
> cmd = instance->cmd_list[i];
> if (cmd->sync_cmd == 1 || cmd->scmd) {
> - printk(KERN_NOTICE "megasas: moving
> cmd[%d]:%p:%d:%p"
> + printk(KERN_NOTICE "megasas: moving
> cmd[%d]:%p:%d:%p "
> "on the defer queue as
internal\n",
> defer_index, cmd, cmd->sync_cmd, cmd-
> >scmd);
>
> --
> 2.1.3
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