2008-10-16 21:50:29

by Mike Miller

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


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.

Signed-of-by: Mike Miller <[email protected]>

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;

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");
+ return 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;


2008-10-16 21:57:11

by Andrew Morton

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

On Thu, 16 Oct 2008 16:50:16 -0500
Mike Miller <[email protected]> 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;

2008-10-16 22:22:28

by Mike Miller

[permalink] [raw]
Subject: RE: [PATCH 2/2] cciss: fix regression in procfs display fw version, obsoletes previous patch 2 of 2



> -----Original Message-----
> From: Andrew Morton [mailto:[email protected]]
> Sent: Thursday, October 16, 2008 4:57 PM
> To: Miller, Mike (OS Dev)
> Cc: [email protected];
> [email protected]; [email protected]
> Subject: Re: [PATCH 2/2] cciss: fix regression in procfs
> display fw version, obsoletes previous patch 2 of 2
>
> On Thu, 16 Oct 2008 16:50:16 -0500
> Mike Miller <[email protected]> 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;

Sorry, in too much of a hurry. I'll fix (again).

mikem
>

2008-10-16 22:30:07

by Alexey Dobriyan

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

On Thu, Oct 16, 2008 at 10:21:22PM +0000, Miller, Mike (OS Dev) wrote:
>
>
> > -----Original Message-----
> > From: Andrew Morton [mailto:[email protected]]
> > Sent: Thursday, October 16, 2008 4:57 PM
> > To: Miller, Mike (OS Dev)
> > Cc: [email protected];
> > [email protected]; [email protected]
> > Subject: Re: [PATCH 2/2] cciss: fix regression in procfs
> > display fw version, obsoletes previous patch 2 of 2
> >
> > On Thu, 16 Oct 2008 16:50:16 -0500
> > Mike Miller <[email protected]> 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;
>
> Sorry, in too much of a hurry. I'll fix (again).

And inq_buff is leaked, if I'm not missing simething.

2008-10-16 22:58:34

by Mike Miller

[permalink] [raw]
Subject: RE: [PATCH 2/2] cciss: fix regression in procfs display fw version, obsoletes previous patch 2 of 2

> > > + 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;
> >
> > Sorry, in too much of a hurry. I'll fix (again).
>
> And inq_buff is leaked, if I'm not missing simething.
>
Sorry, Alexy, I can't see the leak. Is it in the failure case?

2008-10-16 23:14:47

by Alexey Dobriyan

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

On Thu, Oct 16, 2008 at 10:56:58PM +0000, Miller, Mike (OS Dev) wrote:
> > > > + 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;
> > >
> > > Sorry, in too much of a hurry. I'll fix (again).
> >
> > And inq_buff is leaked, if I'm not missing simething.
> >
> Sorry, Alexy, I can't see the leak. Is it in the failure case?

Where "inq_buff" is freed?