From: Daniel Walker - Reworked all the very long lines in that block (this drivers full of them though) - Returns an error in three places that it didn't before. - Properly clean up after a scsi_add_host() failure. Signed-off-by: Daniel Walker Signed-off-by: Andrew Morton --- drivers/scsi/BusLogic.c | 46 ++++++++++++++++++++++++++++++-------- 1 file changed, 37 insertions(+), 9 deletions(-) diff -puN drivers/scsi/BusLogic.c~buslogic-gcc-41-warning-fixes drivers/scsi/BusLogic.c --- a/drivers/scsi/BusLogic.c~buslogic-gcc-41-warning-fixes +++ a/drivers/scsi/BusLogic.c @@ -2177,6 +2177,7 @@ static int __init BusLogic_init(void) { int BusLogicHostAdapterCount = 0, DriverOptionsIndex = 0, ProbeIndex; struct BusLogic_HostAdapter *PrototypeHostAdapter; + int ret = 0; #ifdef MODULE if (BusLogic) @@ -2283,25 +2284,49 @@ static int __init BusLogic_init(void) perform Target Device Inquiry. */ if (BusLogic_ReadHostAdapterConfiguration(HostAdapter) && - BusLogic_ReportHostAdapterConfiguration(HostAdapter) && BusLogic_AcquireResources(HostAdapter) && BusLogic_CreateInitialCCBs(HostAdapter) && BusLogic_InitializeHostAdapter(HostAdapter) && BusLogic_TargetDeviceInquiry(HostAdapter)) { + BusLogic_ReportHostAdapterConfiguration(HostAdapter) && + BusLogic_AcquireResources(HostAdapter) && + BusLogic_CreateInitialCCBs(HostAdapter) && + BusLogic_InitializeHostAdapter(HostAdapter) && + BusLogic_TargetDeviceInquiry(HostAdapter)) { /* Initialization has been completed successfully. Release and re-register usage of the I/O Address range so that the Model Name of the Host Adapter will appear, and initialize the SCSI Host structure. */ - release_region(HostAdapter->IO_Address, HostAdapter->AddressCount); - if (!request_region(HostAdapter->IO_Address, HostAdapter->AddressCount, HostAdapter->FullModelName)) { - printk(KERN_WARNING "BusLogic: Release and re-register of " "port 0x%04lx failed \n", (unsigned long) HostAdapter->IO_Address); + release_region(HostAdapter->IO_Address, + HostAdapter->AddressCount); + if (!request_region(HostAdapter->IO_Address, + HostAdapter->AddressCount, + HostAdapter->FullModelName)) { + printk(KERN_WARNING + "BusLogic: Release and re-register of " + "port 0x%04lx failed \n", + (unsigned long)HostAdapter->IO_Address); BusLogic_DestroyCCBs(HostAdapter); BusLogic_ReleaseResources(HostAdapter); list_del(&HostAdapter->host_list); scsi_host_put(Host); + ret = -ENOMEM; } else { - BusLogic_InitializeHostStructure(HostAdapter, Host); - scsi_add_host(Host, HostAdapter->PCI_Device ? &HostAdapter->PCI_Device->dev : NULL); - scsi_scan_host(Host); - BusLogicHostAdapterCount++; + BusLogic_InitializeHostStructure(HostAdapter, + Host); + if (scsi_add_host(Host, HostAdapter->PCI_Device + ? &HostAdapter->PCI_Device->dev + : NULL)) { + printk(KERN_WARNING + "BusLogic: scsi_add_host()" + "failed!\n"); + BusLogic_DestroyCCBs(HostAdapter); + BusLogic_ReleaseResources(HostAdapter); + list_del(&HostAdapter->host_list); + scsi_host_put(Host); + ret = -ENODEV; + } else { + scsi_scan_host(Host); + BusLogicHostAdapterCount++; + } } } else { /* @@ -2316,12 +2341,13 @@ static int __init BusLogic_init(void) BusLogic_ReleaseResources(HostAdapter); list_del(&HostAdapter->host_list); scsi_host_put(Host); + ret = -ENODEV; } } kfree(PrototypeHostAdapter); kfree(BusLogic_ProbeInfoList); BusLogic_ProbeInfoList = NULL; - return 0; + return ret; } @@ -2955,6 +2981,7 @@ static int BusLogic_QueueCommand(struct } +#if 0 /* BusLogic_AbortCommand aborts Command if possible. */ @@ -3025,6 +3052,7 @@ static int BusLogic_AbortCommand(struct return SUCCESS; } +#endif /* BusLogic_ResetHostAdapter resets Host Adapter if possible, marking all currently executing SCSI Commands as having been Reset. _