New Defects reported by Coverity Scan for NetBSD-amd64-kernel

[scan-admin%coverity.com@localhost]

Hi,

Please find the latest report on new defect(s) introduced to NetBSD-amd64-kernel found with Coverity Scan.

2 new defect(s) introduced to NetBSD-amd64-kernel found with Coverity Scan.
5 defect(s), reported by Coverity Scan earlier, were marked fixed in the recent build analyzed by Coverity Scan.

New defect(s) Reported-by: Coverity Scan
Showing 2 of 2 defect(s)


** CID 1250050:  Unchecked return value  (CHECKED_RETURN)
/sys/dev/pci/pci_map.c: 416 in pci_find_rom()

** CID 1250051:  Dereference null return value  (NULL_RETURNS)
/sys/arch/x86/x86/ipmi.c: 941 in ipmi_smbios_probe()


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*** CID 1250050:  Unchecked return value  (CHECKED_RETURN)
/sys/dev/pci/pci_map.c: 416 in pci_find_rom()
410     		    (rom.rom_product == PCI_PRODUCT(pa->pa_id)) &&
411     		    (rom.rom_class == PCI_CLASS(pa->pa_class)) &&
412     		    (rom.rom_subclass == PCI_SUBCLASS(pa->pa_class)) &&
413     		    (rom.rom_interface == PCI_INTERFACE(pa->pa_class)) &&
414     		    (rom.rom_code_type == type)) {
415     			*romsz = imagesz;
>>>     CID 1250050:  Unchecked return value  (CHECKED_RETURN)
>>>     No check of the return value of "bus_space_subregion(bst, bsh, offset, imagesz, romh)".
416     			bus_space_subregion(bst, bsh, offset, imagesz, romh);
417     			return 0;
418     		}
419     		
420     		/* last image check */
421     		if (rom.rom_indicator & PCI_ROM_INDICATOR_LAST)

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*** CID 1250051:  Dereference null return value  (NULL_RETURNS)
/sys/arch/x86/x86/ipmi.c: 941 in ipmi_smbios_probe()
935     		ia->iaa_if_iotype = 'm';
936     		ia->iaa_if_iobase = pipmi->smipmi_base_address & ~0xF;
937     	}
938     	if (pipmi->smipmi_base_flags & SMIPMI_FLAG_ODDOFFSET)
939     		ia->iaa_if_iobase++;
940     
>>>     CID 1250051:  Dereference null return value  (NULL_RETURNS)
>>>     Dereferencing a pointer that might be null "pmf_get_platform("system-product")" when calling "__coverity_strcmp(char const *, char const *)".
941     	if (strcmp(pmf_get_platform("system-product"),
942                 "ProLiant MicroServer") == 0) {
943                     ia->iaa_if_iospacing = 1;
944                     ia->iaa_if_iobase = pipmi->smipmi_base_address - 7;
945                     ia->iaa_if_iotype = 'i';
946                     return;


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