[hare-scsi-devel:eh-rework.v2 50/51] drivers/scsi/scsi_error.c:859:13: warning: conflicting types for '__scsi_report_device_reset'

From: kernel test robot
Date: Tue Aug 17 2021 - 09:32:15 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git eh-rework.v2
head: 7603e2e1f37e470064b8c865b5d6470137baa79b
commit: 7285b348b4837b6bcbeffaf829372e63cd180b09 [50/51] scsi: Do not allocate scsi command in scsi_ioctl_reset()
config: x86_64-randconfig-a006-20210816 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git/commit/?id=7285b348b4837b6bcbeffaf829372e63cd180b09
git remote add hare-scsi-devel https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git
git fetch --no-tags hare-scsi-devel eh-rework.v2
git checkout 7285b348b4837b6bcbeffaf829372e63cd180b09
# save the attached .config to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/scsi/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

drivers/scsi/scsi_error.c: In function 'scsi_try_host_reset':
drivers/scsi/scsi_error.c:821:4: error: implicit declaration of function '__scsi_report_device_reset'; did you mean 'scsi_report_device_reset'? [-Werror=implicit-function-declaration]
821 | __scsi_report_device_reset(sdev);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
| scsi_report_device_reset
drivers/scsi/scsi_error.c: At top level:
>> drivers/scsi/scsi_error.c:859:13: warning: conflicting types for '__scsi_report_device_reset'
859 | static void __scsi_report_device_reset(struct scsi_device *sdev, void *data)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/scsi_error.c:859:13: error: static declaration of '__scsi_report_device_reset' follows non-static declaration
drivers/scsi/scsi_error.c:821:4: note: previous implicit declaration of '__scsi_report_device_reset' was here
821 | __scsi_report_device_reset(sdev);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/scsi_error.c: In function 'scsi_try_target_reset':
drivers/scsi/scsi_error.c:893:5: error: too few arguments to function '__scsi_report_device_reset'
893 | __scsi_report_device_reset(sdev);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/scsi_error.c:859:13: note: declared here
859 | static void __scsi_report_device_reset(struct scsi_device *sdev, void *data)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/scsi_error.c: At top level:
drivers/scsi/scsi_error.c:1217:6: warning: no previous prototype for '__scsi_eh_finish_cmd' [-Wmissing-prototypes]
1217 | void __scsi_eh_finish_cmd(struct scsi_cmnd *scmd, struct list_head *done_q,
| ^~~~~~~~~~~~~~~~~~~~
drivers/scsi/scsi_error.c: In function 'scsi_ioctl_reset':
drivers/scsi/scsi_error.c:2443:1: warning: label 'out_put_autopm_host' defined but not used [-Wunused-label]
2443 | out_put_autopm_host:
| ^~~~~~~~~~~~~~~~~~~
At top level:
drivers/scsi/scsi_error.c:2365:1: warning: 'scsi_reset_provider_done_command' defined but not used [-Wunused-function]
2365 | scsi_reset_provider_done_command(struct scsi_cmnd *scmd)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

vim +/__scsi_report_device_reset +859 drivers/scsi/scsi_error.c

^1da177e4c3f41 Linus Torvalds 2005-04-16 796
292148f8bb2b5d Brian King 2007-01-30 797 /**
292148f8bb2b5d Brian King 2007-01-30 798 * scsi_try_host_reset - ask host adapter to reset itself
7285b348b4837b Hannes Reinecke 2021-08-17 799 * @host: SCSI host to be reset.
dc8875e1078961 Randy Dunlap 2007-11-15 800 */
7285b348b4837b Hannes Reinecke 2021-08-17 801 static enum scsi_disposition scsi_try_host_reset(struct Scsi_Host *host)
292148f8bb2b5d Brian King 2007-01-30 802 {
292148f8bb2b5d Brian King 2007-01-30 803 unsigned long flags;
b8e162f9e7e2da Bart Van Assche 2021-04-15 804 enum scsi_disposition rtn;
0bf8c869701039 Jesper Juhl 2011-03-21 805 struct scsi_host_template *hostt = host->hostt;
7285b348b4837b Hannes Reinecke 2021-08-17 806 struct scsi_device *sdev;
292148f8bb2b5d Brian King 2007-01-30 807
91921e016a2199 Hannes Reinecke 2014-06-25 808 SCSI_LOG_ERROR_RECOVERY(3,
91921e016a2199 Hannes Reinecke 2014-06-25 809 shost_printk(KERN_INFO, host, "Snd Host RST\n"));
292148f8bb2b5d Brian King 2007-01-30 810
0bf8c869701039 Jesper Juhl 2011-03-21 811 if (!hostt->eh_host_reset_handler)
292148f8bb2b5d Brian King 2007-01-30 812 return FAILED;
292148f8bb2b5d Brian King 2007-01-30 813
1b973982217b36 Hannes Reinecke 2021-08-16 814 rtn = hostt->eh_host_reset_handler(host);
292148f8bb2b5d Brian King 2007-01-30 815
292148f8bb2b5d Brian King 2007-01-30 816 if (rtn == SUCCESS) {
0bf8c869701039 Jesper Juhl 2011-03-21 817 if (!hostt->skip_settle_delay)
292148f8bb2b5d Brian King 2007-01-30 818 ssleep(HOST_RESET_SETTLE_TIME);
0bf8c869701039 Jesper Juhl 2011-03-21 819 spin_lock_irqsave(host->host_lock, flags);
7285b348b4837b Hannes Reinecke 2021-08-17 820 __shost_for_each_device(sdev, host)
7285b348b4837b Hannes Reinecke 2021-08-17 @821 __scsi_report_device_reset(sdev);
0bf8c869701039 Jesper Juhl 2011-03-21 822 spin_unlock_irqrestore(host->host_lock, flags);
292148f8bb2b5d Brian King 2007-01-30 823 }
292148f8bb2b5d Brian King 2007-01-30 824
292148f8bb2b5d Brian King 2007-01-30 825 return rtn;
292148f8bb2b5d Brian King 2007-01-30 826 }
292148f8bb2b5d Brian King 2007-01-30 827
292148f8bb2b5d Brian King 2007-01-30 828 /**
292148f8bb2b5d Brian King 2007-01-30 829 * scsi_try_bus_reset - ask host to perform a bus reset
7285b348b4837b Hannes Reinecke 2021-08-17 830 * @host: SCSI host to send bus reset.
7285b348b4837b Hannes Reinecke 2021-08-17 831 * @channel: Number of the bus to be reset
dc8875e1078961 Randy Dunlap 2007-11-15 832 */
7285b348b4837b Hannes Reinecke 2021-08-17 833 static enum scsi_disposition scsi_try_bus_reset(struct Scsi_Host *host,
7285b348b4837b Hannes Reinecke 2021-08-17 834 int channel)
292148f8bb2b5d Brian King 2007-01-30 835 {
292148f8bb2b5d Brian King 2007-01-30 836 unsigned long flags;
b8e162f9e7e2da Bart Van Assche 2021-04-15 837 enum scsi_disposition rtn;
0bf8c869701039 Jesper Juhl 2011-03-21 838 struct scsi_host_template *hostt = host->hostt;
292148f8bb2b5d Brian King 2007-01-30 839
7285b348b4837b Hannes Reinecke 2021-08-17 840 SCSI_LOG_ERROR_RECOVERY(3, shost_printk(KERN_INFO, host,
7285b348b4837b Hannes Reinecke 2021-08-17 841 "%s: Snd Bus RST to bus %d\n", __func__, channel));
292148f8bb2b5d Brian King 2007-01-30 842
0bf8c869701039 Jesper Juhl 2011-03-21 843 if (!hostt->eh_bus_reset_handler)
292148f8bb2b5d Brian King 2007-01-30 844 return FAILED;
292148f8bb2b5d Brian King 2007-01-30 845
7285b348b4837b Hannes Reinecke 2021-08-17 846 rtn = hostt->eh_bus_reset_handler(host, channel);
292148f8bb2b5d Brian King 2007-01-30 847
292148f8bb2b5d Brian King 2007-01-30 848 if (rtn == SUCCESS) {
0bf8c869701039 Jesper Juhl 2011-03-21 849 if (!hostt->skip_settle_delay)
292148f8bb2b5d Brian King 2007-01-30 850 ssleep(BUS_RESET_SETTLE_TIME);
0bf8c869701039 Jesper Juhl 2011-03-21 851 spin_lock_irqsave(host->host_lock, flags);
7285b348b4837b Hannes Reinecke 2021-08-17 852 scsi_report_bus_reset(host, channel);
0bf8c869701039 Jesper Juhl 2011-03-21 853 spin_unlock_irqrestore(host->host_lock, flags);
292148f8bb2b5d Brian King 2007-01-30 854 }
292148f8bb2b5d Brian King 2007-01-30 855
292148f8bb2b5d Brian King 2007-01-30 856 return rtn;
292148f8bb2b5d Brian King 2007-01-30 857 }
292148f8bb2b5d Brian King 2007-01-30 858
30bd7df8ced23e Mike Christie 2008-02-29 @859 static void __scsi_report_device_reset(struct scsi_device *sdev, void *data)
30bd7df8ced23e Mike Christie 2008-02-29 860 {
30bd7df8ced23e Mike Christie 2008-02-29 861 sdev->was_reset = 1;
30bd7df8ced23e Mike Christie 2008-02-29 862 sdev->expecting_cc_ua = 1;
30bd7df8ced23e Mike Christie 2008-02-29 863 }
30bd7df8ced23e Mike Christie 2008-02-29 864

:::::: The code at line 859 was first introduced by commit
:::::: 30bd7df8ced23eefec87a5cda96dc99b002ed9da [SCSI] scsi_error: add target reset handler

:::::: TO: Mike Christie <michaelc@xxxxxxxxxxx>
:::::: CC: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
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