OK Patch To Fix:
--- old_kernel/drivers/scsi/arcmsr/arcmsr_hba.c 2008-06-07
23:45:53.000000000 +0200
+++ arcmsr_hba.c 2008-06-07 23:36:49.000000000 +0200
@@ -1380,18 +1380,16 @@
switch(controlcode) {
case ARCMSR_MESSAGE_READ_RQBUFFER: {
- unsigned long *ver_addr;
+ unsigned char *ver_addr;
uint8_t *pQbuffer, *ptmpQbuffer;
int32_t allxfer_len = 0;
- void *tmp;
- tmp = kmalloc(1032, GFP_KERNEL|GFP_DMA);
- ver_addr = (unsigned long *)tmp;
- if (!tmp) {
+ ver_addr = kmalloc(1032, GFP_ATOMIC);
+ if (!ver_addr) {
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
- ptmpQbuffer = (uint8_t *) ver_addr;
+ ptmpQbuffer = ver_addr;
while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex)
&& (allxfer_len < 1031)) {
pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex];
@@ -1420,26 +1418,24 @@
}
arcmsr_iop_message_read(acb);
}
- memcpy(pcmdmessagefld->messagedatabuffer, (uint8_t *)ver_addr,
allxfer_len);
+ memcpy(pcmdmessagefld->messagedatabuffer, ver_addr,
allxfer_len);
pcmdmessagefld->cmdmessage.Length = allxfer_len;
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
- kfree(tmp);
+ kfree(ver_addr);
}
break;
case ARCMSR_MESSAGE_WRITE_WQBUFFER: {
- unsigned long *ver_addr;
+ unsigned char *ver_addr;
int32_t my_empty_len, user_len, wqbuf_firstindex,
wqbuf_lastindex;
uint8_t *pQbuffer, *ptmpuserbuffer;
- void *tmp;
- tmp = kmalloc(1032, GFP_KERNEL|GFP_DMA);
- ver_addr = (unsigned long *)tmp;
- if (!tmp) {
+ ver_addr = kmalloc(1032, GFP_ATOMIC);
+ if (!ver_addr) {
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
- ptmpuserbuffer = (uint8_t *)ver_addr;
+ ptmpuserbuffer = ver_addr;
user_len = pcmdmessagefld->cmdmessage.Length;
memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer,
user_len);
wqbuf_lastindex = acb->wqbuf_lastindex;
@@ -1485,7 +1481,7 @@
retvalue = ARCMSR_MESSAGE_FAIL;
}
}
- kfree(tmp);
+ kfree(ver_addr);
}
break;
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Dupond Jean-Louis (info-dupondje)
Status: Confirmed => Fix Committed
--
BUG: scheduling while atomic: archhttp64/7146/0x1000000001
https://bugs.launchpad.net/bugs/235889
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