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net/iucv: fix virtual vs physical address confusion

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Fix virtual vs physical address confusion. This does not fix a bug
since virtual and physical address spaces are currently the same.

Acked-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Gordeev 2024-02-14 09:47:07 +01:00 committed by David S. Miller
parent fc136368fd
commit 2210c5485e
1 changed files with 8 additions and 7 deletions
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15
net/iucv/iucv.c
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@ -286,6 +286,7 @@ static union iucv_param *iucv_param_irq[NR_CPUS];
*/
static inline int __iucv_call_b2f0(int command, union iucv_param *parm)
{
unsigned long reg1 = virt_to_phys(parm);
int cc;
asm volatile(
@ -296,7 +297,7 @@ static inline int __iucv_call_b2f0(int command, union iucv_param *parm)
" srl %[cc],28\n"
: [cc] "=&d" (cc), "+m" (*parm)
: [reg0] "d" ((unsigned long)command),
[reg1] "d" ((unsigned long)parm)
[reg1] "d" (reg1)
: "cc", "0", "1");
return cc;
}
@ -1123,7 +1124,7 @@ int __iucv_message_receive(struct iucv_path *path, struct iucv_message *msg,
parm = iucv_param[smp_processor_id()];
memset(parm, 0, sizeof(union iucv_param));
parm->db.ipbfadr1 = (u32)(addr_t) buffer;
parm->db.ipbfadr1 = (u32)virt_to_phys(buffer);
parm->db.ipbfln1f = (u32) size;
parm->db.ipmsgid = msg->id;
parm->db.ippathid = path->pathid;
@ -1241,7 +1242,7 @@ int iucv_message_reply(struct iucv_path *path, struct iucv_message *msg,
parm->dpl.iptrgcls = msg->class;
memcpy(parm->dpl.iprmmsg, reply, min_t(size_t, size, 8));
} else {
parm->db.ipbfadr1 = (u32)(addr_t) reply;
parm->db.ipbfadr1 = (u32)virt_to_phys(reply);
parm->db.ipbfln1f = (u32) size;
parm->db.ippathid = path->pathid;
parm->db.ipflags1 = flags;
@ -1293,7 +1294,7 @@ int __iucv_message_send(struct iucv_path *path, struct iucv_message *msg,
parm->dpl.ipmsgtag = msg->tag;
memcpy(parm->dpl.iprmmsg, buffer, 8);
} else {
parm->db.ipbfadr1 = (u32)(addr_t) buffer;
parm->db.ipbfadr1 = (u32)virt_to_phys(buffer);
parm->db.ipbfln1f = (u32) size;
parm->db.ippathid = path->pathid;
parm->db.ipflags1 = flags | IUCV_IPNORPY;
@ -1378,7 +1379,7 @@ int iucv_message_send2way(struct iucv_path *path, struct iucv_message *msg,
parm->dpl.iptrgcls = msg->class;
parm->dpl.ipsrccls = srccls;
parm->dpl.ipmsgtag = msg->tag;
parm->dpl.ipbfadr2 = (u32)(addr_t) answer;
parm->dpl.ipbfadr2 = (u32)virt_to_phys(answer);
parm->dpl.ipbfln2f = (u32) asize;
memcpy(parm->dpl.iprmmsg, buffer, 8);
} else {
@ -1387,9 +1388,9 @@ int iucv_message_send2way(struct iucv_path *path, struct iucv_message *msg,
parm->db.iptrgcls = msg->class;
parm->db.ipsrccls = srccls;
parm->db.ipmsgtag = msg->tag;
parm->db.ipbfadr1 = (u32)(addr_t) buffer;
parm->db.ipbfadr1 = (u32)virt_to_phys(buffer);
parm->db.ipbfln1f = (u32) size;
parm->db.ipbfadr2 = (u32)(addr_t) answer;
parm->db.ipbfadr2 = (u32)virt_to_phys(answer);
parm->db.ipbfln2f = (u32) asize;
}
rc = iucv_call_b2f0(IUCV_SEND, parm);