UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

[SCSI] Fusion MPT: disable pci device when mpt map resoures failed 

when probe a pci device, first we enable it, and disable it when
some error happened in the following process, because the power
state of the device is set to D0, and if MSI is disabled,
we will allocate irq and register gsi for this device in the enable process.

In function mpt_mapresources(MPT_ADAPTER *ioc), it forgot disable the
pci device when error happened, the irq and gsi will never be released.
this patch will fix it.

Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Acked-by: "Nandigama, Nagalakshmi" <Nagalakshmi.Nandigama@lsi.com> 
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Hanjun Guo 2012-08-11 10:58:36 +08:00 committed by James Bottomley
parent 6ed33a4a0b
commit 20953a6277
1 changed files with 11 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/message/fusion/mptbase.c
View File

@ -1666,7 +1666,7 @@ mpt_mapresources(MPT_ADAPTER *ioc)
if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) {
printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with "
"MEM failed\n", ioc->name);
return r;
goto out_pci_disable_device;
}
if (sizeof(dma_addr_t) > 4) {
@ -1690,8 +1690,7 @@ mpt_mapresources(MPT_ADAPTER *ioc)
} else {
printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
ioc->name, pci_name(pdev));
pci_release_selected_regions(pdev, ioc->bars);
return r;
goto out_pci_release_region;
}
} else {
if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
@ -1704,8 +1703,7 @@ mpt_mapresources(MPT_ADAPTER *ioc)
} else {
printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
ioc->name, pci_name(pdev));
pci_release_selected_regions(pdev, ioc->bars);
return r;
goto out_pci_release_region;
}
}
@ -1735,8 +1733,8 @@ mpt_mapresources(MPT_ADAPTER *ioc)
if (mem == NULL) {
printk(MYIOC_s_ERR_FMT ": ERROR - Unable to map adapter"
" memory!\n", ioc->name);
pci_release_selected_regions(pdev, ioc->bars);
return -EINVAL;
r = -EINVAL;
goto out_pci_release_region;
}
ioc->memmap = mem;
dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %llx\n",
@ -1750,6 +1748,12 @@ mpt_mapresources(MPT_ADAPTER *ioc)
ioc->pio_chip = (SYSIF_REGS __iomem *)port;
return 0;
out_pci_release_region:
pci_release_selected_regions(pdev, ioc->bars);
out_pci_disable_device:
pci_disable_device(pdev);
return r;
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/