Re: [PATCH 2/2] cciss: fix regression in procfs display fw version,obsoletes previous patch 2 of 2

From: Andrew Morton
Date: Thu Oct 16 2008 - 17:57:12 EST


On Thu, 16 Oct 2008 16:50:16 -0500
Mike Miller <mike.miller@xxxxxx> wrote:

>
> Patch 2 of 2
>
> This patch obsoletes patch 2/2 from yesterday. It fixes a regression in
> procfs where the controller firmware version is not displayed. The previous
> patch also addressed the problem but the code would be called whenever
> anything changed on the array such as the number of logical volumes, etc.
> This patch only gets called once for each controller.
> Please consider this for inclusion.
>

Again, this description doesn't contain enough information for us to
work out which kernels need patching.

>
> diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
> index 0f367b1..efa5414 100644
> --- a/drivers/block/cciss.c
> +++ b/drivers/block/cciss.c
> @@ -3404,7 +3404,8 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
> int i;
> int j = 0;
> int rc;
> - int dac;
> + int dac, return_code;
> + InquiryData_struct *inq_buff = NULL;

This initialisation is not needed.

> i = alloc_cciss_hba();
> if (i < 0)
> @@ -3510,6 +3511,25 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
> /* Turn the interrupts on so we can service requests */
> hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_ON);
>
> + /* Get the firmware version */
> + inq_buff = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL);
> + if (inq_buff == NULL) {
> + printk(KERN_ERR "cciss: out of memory\n");

Whitespace is all screwed up.

> + return ENOMEM;

Should be -ENOMEM.

> + }
> +
> + return_code = sendcmd_withirq(CISS_INQUIRY, i, inq_buff,
> + sizeof(InquiryData_struct), 0, 0 ,0, TYPE_CMD);
> + if (return_code == IO_OK) {
> + hba[i]->firm_ver[0] = inq_buff->data_byte[32];
> + hba[i]->firm_ver[1] = inq_buff->data_byte[33];
> + hba[i]->firm_ver[2] = inq_buff->data_byte[34];
> + hba[i]->firm_ver[3] = inq_buff->data_byte[35];
> + } else { /* send command failed */
> + printk(KERN_WARNING "cciss: unable to determine firmware"
> + " version of controller\n");
> + }
> +
> cciss_procinit(i);
>
> hba[i]->cciss_max_sectors = 2048;
--
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