Re: [PATCH 05/24] aacraid: Retrieve and update the device types

kbuild test robot
2017-01-24T01:54:15Z

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Hi Raghava,

[auto build test WARNING on scsi/for-next]
[also build test WARNING on v4.10-rc5 next-20170123]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Raghava-Aditya-Renukunta/aacraid-Patchset-for-Smart-Family-card-support/20170124-093617
base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next
config: x86_64-randconfig-x014-201704 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

Note: it may well be a FALSE warning. FWIW you are at least aware of it now.
http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings

All warnings (new ones prefixed by >>):

drivers/scsi/aacraid/aachba.c: In function 'aac_report_phys_luns':
>> drivers/scsi/aacraid/aachba.c:1636:9: warning: 'rcode' may be used uninitialized in this function [-Wmaybe-uninitialized]
return rcode;
^~~~~

vim +/rcode +1636 drivers/scsi/aacraid/aachba.c

1620 sg64->count = cpu_to_le32(1);
1621 sg64->sg[0].addr[1] = cpu_to_le32(upper_32_bits(addr));
1622 sg64->sg[0].addr[0] = cpu_to_le32(lower_32_bits(addr));
1623 sg64->sg[0].count = cpu_to_le32(datasize);
1624
1625 rcode = aac_fib_send(ScsiPortCommand64, fibptr, fibsize,
1626 FsaNormal, 1, 1, NULL, NULL);
1627
1628 /* analyse data */
1629 if (rcode >= 0 && phys_luns->resp_flag == 2) {
1630 /* ok and extended reporting */
1631 aac_update_hba_map(dev, phys_luns);
1632 }
1633 }
1634
1635 pci_free_consistent(dev->pdev, datasize, (void *) phys_luns, addr);
> 1636 return rcode;
1637 }
1638
1639 int aac_get_adapter_info(struct aac_dev* dev)
1640 {
1641 struct fib* fibptr;
1642 int rcode;
1643 u32 tmp, bus, target;
1644 struct aac_adapter_info *info;

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