From: kernel test robot <lkp@intel.com>
To: Quinn Tran <qutran@marvell.com>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
Linux Memory Management List <linux-mm@kvack.org>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Himanshu Madhani <himanshu.madhani@oracle.com>,
Nilesh Javali <njavali@marvell.com>
Subject: [linux-next:master 10618/10678] drivers/scsi/qla2xxx/qla_init.c:171:10: warning: variable 'bail' set but not used
Date: Fri, 15 Jul 2022 04:07:42 +0800 [thread overview]
Message-ID: <202207150400.NMBYJFkA-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 37b355fdaf31ee18bda9a93c2a438dc1cbf57ec9
commit: c8c2a9053c4b28167c2a63e78d7949b775d238b6 [10618/10678] scsi: qla2xxx: Fix imbalance vha->vref_count
config: riscv-randconfig-r002-20220714 (https://download.01.org/0day-ci/archive/20220715/202207150400.NMBYJFkA-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 5e61b9c556267086ef9b743a0b57df302eef831b)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=c8c2a9053c4b28167c2a63e78d7949b775d238b6
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout c8c2a9053c4b28167c2a63e78d7949b775d238b6
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/scsi/qla2xxx/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/scsi/qla2xxx/qla_init.c:6:
In file included from drivers/scsi/qla2xxx/qla_def.h:14:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:464:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from drivers/scsi/qla2xxx/qla_init.c:6:
In file included from drivers/scsi/qla2xxx/qla_def.h:14:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from drivers/scsi/qla2xxx/qla_init.c:6:
In file included from drivers/scsi/qla2xxx/qla_def.h:14:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:521:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:1024:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
~~~~~~~~~~ ^
>> drivers/scsi/qla2xxx/qla_init.c:171:10: warning: variable 'bail' set but not used [-Wunused-but-set-variable]
uint8_t bail;
^
drivers/scsi/qla2xxx/qla_init.c:2023:10: warning: variable 'bail' set but not used [-Wunused-but-set-variable]
uint8_t bail;
^
drivers/scsi/qla2xxx/qla_init.c:5533:7: warning: variable 'found_devs' set but not used [-Wunused-but-set-variable]
int found_devs;
^
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
error: A dwo section may not contain relocations
fatal error: too many errors emitted, stopping now [-ferror-limit=]
10 warnings and 20 errors generated.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for DRM_TTM
Depends on HAS_IOMEM && DRM && MMU
Selected by
- DRM_TTM_HELPER && HAS_IOMEM && DRM
- DRM_HISI_HIBMC && HAS_IOMEM && DRM && PCI && (ARM64 || COMPILE_TEST
vim +/bail +171 drivers/scsi/qla2xxx/qla_init.c
164
165 int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
166 {
167 scsi_qla_host_t *vha = cmd_sp->vha;
168 struct srb_iocb *abt_iocb;
169 srb_t *sp;
170 int rval = QLA_FUNCTION_FAILED;
> 171 uint8_t bail;
172
173 /* ref: INIT for ABTS command */
174 sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport,
175 GFP_ATOMIC);
176 if (!sp)
177 return QLA_MEMORY_ALLOC_FAILED;
178
179 QLA_VHA_MARK_BUSY(vha, bail);
180 abt_iocb = &sp->u.iocb_cmd;
181 sp->type = SRB_ABT_CMD;
182 sp->name = "abort";
183 sp->qpair = cmd_sp->qpair;
184 sp->cmd_sp = cmd_sp;
185 if (wait)
186 sp->flags = SRB_WAKEUP_ON_COMP;
187
188 init_completion(&abt_iocb->u.abt.comp);
189 /* FW can send 2 x ABTS's timeout/20s */
190 qla2x00_init_async_sp(sp, 42, qla24xx_abort_sp_done);
191 sp->u.iocb_cmd.timeout = qla24xx_abort_iocb_timeout;
192
193 abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
194 abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id);
195
196 ql_dbg(ql_dbg_async, vha, 0x507c,
197 "Abort command issued - hdl=%x, type=%x\n", cmd_sp->handle,
198 cmd_sp->type);
199
200 rval = qla2x00_start_sp(sp);
201 if (rval != QLA_SUCCESS) {
202 /* ref: INIT */
203 kref_put(&sp->cmd_kref, qla2x00_sp_release);
204 return rval;
205 }
206
207 if (wait) {
208 wait_for_completion(&abt_iocb->u.abt.comp);
209 rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
210 QLA_SUCCESS : QLA_ERR_FROM_FW;
211 /* ref: INIT */
212 kref_put(&sp->cmd_kref, qla2x00_sp_release);
213 }
214
215 return rval;
216 }
217
--
0-DAY CI Kernel Test Service
https://01.org/lkp
next reply other threads:[~2022-07-14 20:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-14 20:07 kernel test robot [this message]
2022-07-21 2:09 ` [linux-next:master 10618/10678] drivers/scsi/qla2xxx/qla_init.c:171:10: warning: variable 'bail' set but not used Souptick Joarder
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202207150400.NMBYJFkA-lkp@intel.com \
--to=lkp@intel.com \
--cc=himanshu.madhani@oracle.com \
--cc=kbuild-all@lists.01.org \
--cc=linux-mm@kvack.org \
--cc=llvm@lists.linux.dev \
--cc=martin.petersen@oracle.com \
--cc=njavali@marvell.com \
--cc=qutran@marvell.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).