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Message-ID: <20071108172747.GA4054@infradead.org>
Date: Thu, 8 Nov 2007 17:27:47 +0000
From: Christoph Hellwig <hch@...radead.org>
To: "Salyzyn, Mark" <mark_salyzyn@...ptec.com>
Cc: Christoph Hellwig <hch@...radead.org>,
Andreas Schwab <schwab@...e.de>,
Stephen Rothwell <sfr@...b.auug.org.au>,
linux-scsi@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] aacraid: don't assign cpu_to_le32(int) to u8
On Wed, Nov 07, 2007 at 01:51:44PM -0500, Salyzyn, Mark wrote:
> Christoph Hellwig [mailto:hch@...radead.org] sez:
> > Did anyone run the driver through sparse to see if we have
> > more issues like this?
>
> There are some warnings from sparse, none like this one. I will deal
> with the warnings ...
Actually there are a lot of endianess warnings, fortunately most of them
harmless. The patch below fixes all of them up (including the ones in
the patch I replied to), except for aac_init_adapter which is really odd
and I don't know what to do.
Signed-off-by: Christoph Hellwig <hch@....de>
Index: linux-2.6/drivers/scsi/aacraid/aachba.c
===================================================================
--- linux-2.6.orig/drivers/scsi/aacraid/aachba.c 2007-11-08 17:09:50.000000000 +0100
+++ linux-2.6/drivers/scsi/aacraid/aachba.c 2007-11-08 17:14:43.000000000 +0100
@@ -981,7 +981,7 @@
aac_fib_init(fib);
readcmd = (struct aac_read *) fib_data(fib);
readcmd->command = cpu_to_le32(VM_CtBlockRead);
- readcmd->cid = cpu_to_le16(scmd_id(cmd));
+ readcmd->cid = cpu_to_le32(scmd_id(cmd));
readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
readcmd->count = cpu_to_le32(count * 512);
@@ -1072,7 +1072,7 @@
aac_fib_init(fib);
writecmd = (struct aac_write *) fib_data(fib);
writecmd->command = cpu_to_le32(VM_CtBlockWrite);
- writecmd->cid = cpu_to_le16(scmd_id(cmd));
+ writecmd->cid = cpu_to_le32(scmd_id(cmd));
writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
writecmd->count = cpu_to_le32(count * 512);
writecmd->sg.count = cpu_to_le32(1);
@@ -1306,8 +1306,8 @@
dev->supplement_adapter_info.VpdInfo.Tsid);
}
if (!aac_check_reset ||
- (dev->supplement_adapter_info.SupportedOptions2 &
- le32_to_cpu(AAC_OPTION_IGNORE_RESET))) {
+ (dev->supplement_adapter_info.SupportedOptions2 &
+ cpu_to_le32(AAC_OPTION_IGNORE_RESET))) {
printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
dev->name, dev->id);
}
Index: linux-2.6/drivers/scsi/aacraid/commsup.c
===================================================================
--- linux-2.6.orig/drivers/scsi/aacraid/commsup.c 2007-11-08 17:09:50.000000000 +0100
+++ linux-2.6/drivers/scsi/aacraid/commsup.c 2007-11-08 17:14:43.000000000 +0100
@@ -796,13 +796,13 @@
*/
switch (le32_to_cpu(aifcmd->command)) {
case AifCmdDriverNotify:
- switch (le32_to_cpu(((u32 *)aifcmd->data)[0])) {
+ switch (le32_to_cpu(((__le32 *)aifcmd->data)[0])) {
/*
* Morph or Expand complete
*/
case AifDenMorphComplete:
case AifDenVolumeExtendComplete:
- container = le32_to_cpu(((u32 *)aifcmd->data)[1]);
+ container = le32_to_cpu(((__le32 *)aifcmd->data)[1]);
if (container >= dev->maximum_num_containers)
break;
@@ -835,25 +835,25 @@
if (container >= dev->maximum_num_containers)
break;
if ((dev->fsa_dev[container].config_waiting_on ==
- le32_to_cpu(*(u32 *)aifcmd->data)) &&
+ le32_to_cpu(*(__le32 *)aifcmd->data)) &&
time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT))
dev->fsa_dev[container].config_waiting_on = 0;
} else for (container = 0;
container < dev->maximum_num_containers; ++container) {
if ((dev->fsa_dev[container].config_waiting_on ==
- le32_to_cpu(*(u32 *)aifcmd->data)) &&
+ le32_to_cpu(*(__le32 *)aifcmd->data)) &&
time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT))
dev->fsa_dev[container].config_waiting_on = 0;
}
break;
case AifCmdEventNotify:
- switch (le32_to_cpu(((u32 *)aifcmd->data)[0])) {
+ switch (le32_to_cpu(((__le32 *)aifcmd->data)[0])) {
/*
* Add an Array.
*/
case AifEnAddContainer:
- container = le32_to_cpu(((u32 *)aifcmd->data)[1]);
+ container = le32_to_cpu(((__le32 *)aifcmd->data)[1]);
if (container >= dev->maximum_num_containers)
break;
dev->fsa_dev[container].config_needed = ADD;
@@ -866,7 +866,7 @@
* Delete an Array.
*/
case AifEnDeleteContainer:
- container = le32_to_cpu(((u32 *)aifcmd->data)[1]);
+ container = le32_to_cpu(((__le32 *)aifcmd->data)[1]);
if (container >= dev->maximum_num_containers)
break;
dev->fsa_dev[container].config_needed = DELETE;
@@ -880,7 +880,7 @@
* waiting on something else, setup to wait on a Config Change.
*/
case AifEnContainerChange:
- container = le32_to_cpu(((u32 *)aifcmd->data)[1]);
+ container = le32_to_cpu(((__le32 *)aifcmd->data)[1]);
if (container >= dev->maximum_num_containers)
break;
if (dev->fsa_dev[container].config_waiting_on &&
@@ -905,13 +905,13 @@
if (container >= dev->maximum_num_containers)
break;
if ((dev->fsa_dev[container].config_waiting_on ==
- le32_to_cpu(*(u32 *)aifcmd->data)) &&
+ le32_to_cpu(*(__le32 *)aifcmd->data)) &&
time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT))
dev->fsa_dev[container].config_waiting_on = 0;
} else for (container = 0;
container < dev->maximum_num_containers; ++container) {
if ((dev->fsa_dev[container].config_waiting_on ==
- le32_to_cpu(*(u32 *)aifcmd->data)) &&
+ le32_to_cpu(*(__le32 *)aifcmd->data)) &&
time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT))
dev->fsa_dev[container].config_waiting_on = 0;
}
@@ -926,9 +926,9 @@
* wait for a container change.
*/
- if ((((u32 *)aifcmd->data)[1] == cpu_to_le32(AifJobCtrZero))
- && ((((u32 *)aifcmd->data)[6] == ((u32 *)aifcmd->data)[5])
- || (((u32 *)aifcmd->data)[4] == cpu_to_le32(AifJobStsSuccess)))) {
+ if (((__le32 *)aifcmd->data)[1] == cpu_to_le32(AifJobCtrZero) &&
+ (((__le32 *)aifcmd->data)[6] == ((__le32 *)aifcmd->data)[5] ||
+ ((__le32 *)aifcmd->data)[4] == cpu_to_le32(AifJobStsSuccess))) {
for (container = 0;
container < dev->maximum_num_containers;
++container) {
@@ -943,9 +943,9 @@
jiffies;
}
}
- if ((((u32 *)aifcmd->data)[1] == cpu_to_le32(AifJobCtrZero))
- && (((u32 *)aifcmd->data)[6] == 0)
- && (((u32 *)aifcmd->data)[4] == cpu_to_le32(AifJobStsRunning))) {
+ if (((__le32 *)aifcmd->data)[1] == cpu_to_le32(AifJobCtrZero) &&
+ ((__le32 *)aifcmd->data)[6] == 0 &&
+ ((__le32 *)aifcmd->data)[4] == cpu_to_le32(AifJobStsRunning)) {
for (container = 0;
container < dev->maximum_num_containers;
++container) {
@@ -1339,10 +1339,10 @@
aif = (struct aac_aifcmd *)hw_fib->data;
aif->command = cpu_to_le32(AifCmdEventNotify);
aif->seqnum = cpu_to_le32(0xFFFFFFFF);
- aif->data[0] = cpu_to_le32(AifEnExpEvent);
- aif->data[1] = cpu_to_le32(AifExeFirmwarePanic);
- aif->data[2] = cpu_to_le32(AifHighPriority);
- aif->data[3] = cpu_to_le32(BlinkLED);
+ aif->data[0] = AifEnExpEvent;
+ aif->data[1] = AifExeFirmwarePanic;
+ aif->data[2] = AifHighPriority;
+ aif->data[3] = BlinkLED;
/*
* Put the FIB onto the
@@ -1373,8 +1373,8 @@
printk(KERN_ERR "%s: Host adapter BLINK LED 0x%x\n", aac->name, BlinkLED);
if (!aac_check_reset ||
- (aac->supplement_adapter_info.SupportedOptions2 &
- le32_to_cpu(AAC_OPTION_IGNORE_RESET)))
+ (aac->supplement_adapter_info.SupportedOptions2 &
+ cpu_to_le32(AAC_OPTION_IGNORE_RESET)))
goto out;
host = aac->scsi_host_ptr;
if (aac->thread->pid != current->pid)
@@ -1655,11 +1655,11 @@
struct fib *fibptr;
if ((fibptr = aac_fib_alloc(dev))) {
- u32 * info;
+ __le32 *info;
aac_fib_init(fibptr);
- info = (u32 *) fib_data(fibptr);
+ info = (__le32 *) fib_data(fibptr);
if (now.tv_usec > 500000)
++now.tv_sec;
Index: linux-2.6/drivers/scsi/aacraid/dpcsup.c
===================================================================
--- linux-2.6.orig/drivers/scsi/aacraid/dpcsup.c 2007-11-08 17:09:50.000000000 +0100
+++ linux-2.6/drivers/scsi/aacraid/dpcsup.c 2007-11-08 17:14:43.000000000 +0100
@@ -229,11 +229,9 @@
* all QE there are and wake up all the waiters before exiting.
*/
-unsigned int aac_intr_normal(struct aac_dev * dev, u32 Index)
+unsigned int aac_intr_normal(struct aac_dev * dev, u32 index)
{
- u32 index = le32_to_cpu(Index);
-
- dprintk((KERN_INFO "aac_intr_normal(%p,%x)\n", dev, Index));
+ dprintk((KERN_INFO "aac_intr_normal(%p,%x)\n", dev, index));
if ((index & 0x00000002L)) {
struct hw_fib * hw_fib;
struct fib * fib;
@@ -301,7 +299,7 @@
if (hwfib->header.Command == cpu_to_le16(NuFileSystem))
{
- u32 *pstatus = (u32 *)hwfib->data;
+ __le32 *pstatus = (__le32 *)hwfib->data;
if (*pstatus & cpu_to_le32(0xffff0000))
*pstatus = cpu_to_le32(ST_OK);
}
Index: linux-2.6/drivers/scsi/aacraid/linit.c
===================================================================
--- linux-2.6.orig/drivers/scsi/aacraid/linit.c 2007-11-08 17:09:50.000000000 +0100
+++ linux-2.6/drivers/scsi/aacraid/linit.c 2007-11-08 17:14:43.000000000 +0100
@@ -584,8 +584,8 @@
* support a register, instead of a commanded, reset.
*/
if ((aac->supplement_adapter_info.SupportedOptions2 &
- le32_to_cpu(AAC_OPTION_MU_RESET|AAC_OPTION_IGNORE_RESET)) ==
- le32_to_cpu(AAC_OPTION_MU_RESET))
+ cpu_to_le32(AAC_OPTION_MU_RESET|AAC_OPTION_IGNORE_RESET)) ==
+ cpu_to_le32(AAC_OPTION_MU_RESET))
aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
}
Index: linux-2.6/drivers/scsi/aacraid/rx.c
===================================================================
--- linux-2.6.orig/drivers/scsi/aacraid/rx.c 2007-11-08 17:09:50.000000000 +0100
+++ linux-2.6/drivers/scsi/aacraid/rx.c 2007-11-08 17:14:43.000000000 +0100
@@ -465,7 +465,7 @@
u32 var;
if (!(dev->supplement_adapter_info.SupportedOptions2 &
- le32_to_cpu(AAC_OPTION_MU_RESET)) || (bled >= 0) || (bled == -2)) {
+ cpu_to_le32(AAC_OPTION_MU_RESET)) || (bled >= 0) || (bled == -2)) {
if (bled)
printk(KERN_ERR "%s%d: adapter kernel panic'd %x.\n",
dev->name, dev->id, bled);
-
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