From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: Re: [PATCH] nvmet: add support reading with offset from ANA log
Date: Thu, 30 Dec 2021 11:09:03 +0800 [thread overview]
Message-ID: <202112301112.j0GHPdfj-lkp@intel.com> (raw)
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CC: kbuild-all(a)lists.01.org
In-Reply-To: <20211229155302.16789-1-dwagner@suse.de>
References: <20211229155302.16789-1-dwagner@suse.de>
TO: Daniel Wagner <dwagner@suse.de>
TO: linux-nvme(a)lists.infradead.org
CC: linux-kernel(a)vger.kernel.org
CC: Daniel Wagner <dwagner@suse.de>
Hi Daniel,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linux/master]
[also build test WARNING on linus/master v5.16-rc7 next-20211224]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Daniel-Wagner/nvmet-add-support-reading-with-offset-from-ANA-log/20211229-235321
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 136057256686de39cc3a07c2e39ef6bc43003ff6
:::::: branch date: 11 hours ago
:::::: commit date: 11 hours ago
config: ia64-randconfig-m031-20211229 (https://download.01.org/0day-ci/archive/20211230/202112301112.j0GHPdfj-lkp(a)intel.com/config)
compiler: ia64-linux-gcc (GCC) 11.2.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/nvme/target/admin-cmd.c:307 nvmet_execute_get_log_page_ana() warn: is 'buffer' large enough for 'struct nvme_ana_rsp_hdr'? 15
vim +307 drivers/nvme/target/admin-cmd.c
72efd25dcf4f63 Christoph Hellwig 2018-07-19 268
72efd25dcf4f63 Christoph Hellwig 2018-07-19 269 static void nvmet_execute_get_log_page_ana(struct nvmet_req *req)
72efd25dcf4f63 Christoph Hellwig 2018-07-19 270 {
d4f2899b84cf50 Daniel Wagner 2021-12-29 271 struct nvme_ana_rsp_hdr *hdr;
72efd25dcf4f63 Christoph Hellwig 2018-07-19 272 struct nvme_ana_group_desc *desc;
d4f2899b84cf50 Daniel Wagner 2021-12-29 273 u64 offset = nvmet_get_log_page_offset(req->cmd);
72efd25dcf4f63 Christoph Hellwig 2018-07-19 274 size_t len;
d4f2899b84cf50 Daniel Wagner 2021-12-29 275 void *buffer;
72efd25dcf4f63 Christoph Hellwig 2018-07-19 276 u32 grpid;
72efd25dcf4f63 Christoph Hellwig 2018-07-19 277 u16 ngrps = 0;
72efd25dcf4f63 Christoph Hellwig 2018-07-19 278 u16 status;
72efd25dcf4f63 Christoph Hellwig 2018-07-19 279
d4f2899b84cf50 Daniel Wagner 2021-12-29 280 if (offset & 0x3) {
d4f2899b84cf50 Daniel Wagner 2021-12-29 281 req->error_loc =
d4f2899b84cf50 Daniel Wagner 2021-12-29 282 offsetof(struct nvme_get_log_page_command, lpo);
d4f2899b84cf50 Daniel Wagner 2021-12-29 283 status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
d4f2899b84cf50 Daniel Wagner 2021-12-29 284 goto out;
d4f2899b84cf50 Daniel Wagner 2021-12-29 285 }
d4f2899b84cf50 Daniel Wagner 2021-12-29 286
72efd25dcf4f63 Christoph Hellwig 2018-07-19 287 status = NVME_SC_INTERNAL;
d4f2899b84cf50 Daniel Wagner 2021-12-29 288 len = sizeof(*hdr) + struct_size(desc, nsids, NVMET_MAX_NAMESPACES);
d4f2899b84cf50 Daniel Wagner 2021-12-29 289 buffer = kzalloc(len, GFP_KERNEL);
d4f2899b84cf50 Daniel Wagner 2021-12-29 290 if (!buffer)
72efd25dcf4f63 Christoph Hellwig 2018-07-19 291 goto out;
d4f2899b84cf50 Daniel Wagner 2021-12-29 292 hdr = buffer;
d4f2899b84cf50 Daniel Wagner 2021-12-29 293 desc = buffer + sizeof(*hdr);
72efd25dcf4f63 Christoph Hellwig 2018-07-19 294
72efd25dcf4f63 Christoph Hellwig 2018-07-19 295 down_read(&nvmet_ana_sem);
72efd25dcf4f63 Christoph Hellwig 2018-07-19 296 for (grpid = 1; grpid <= NVMET_MAX_ANAGRPS; grpid++) {
72efd25dcf4f63 Christoph Hellwig 2018-07-19 297 if (!nvmet_ana_group_enabled[grpid])
72efd25dcf4f63 Christoph Hellwig 2018-07-19 298 continue;
d4f2899b84cf50 Daniel Wagner 2021-12-29 299 nvmet_format_ana_group(req, grpid, desc);
72efd25dcf4f63 Christoph Hellwig 2018-07-19 300 ngrps++;
72efd25dcf4f63 Christoph Hellwig 2018-07-19 301 }
be1277f5eb17a2 Hannes Reinecke 2018-07-16 302 for ( ; grpid <= NVMET_MAX_ANAGRPS; grpid++) {
be1277f5eb17a2 Hannes Reinecke 2018-07-16 303 if (nvmet_ana_group_enabled[grpid])
be1277f5eb17a2 Hannes Reinecke 2018-07-16 304 ngrps++;
be1277f5eb17a2 Hannes Reinecke 2018-07-16 305 }
72efd25dcf4f63 Christoph Hellwig 2018-07-19 306
d4f2899b84cf50 Daniel Wagner 2021-12-29 @307 hdr->chgcnt = cpu_to_le64(nvmet_ana_chgcnt);
d4f2899b84cf50 Daniel Wagner 2021-12-29 308 hdr->ngrps = cpu_to_le16(ngrps);
7114ddeb40c0cc Jay Sternberg 2018-11-12 309 nvmet_clear_aen_bit(req, NVME_AEN_BIT_ANA_CHANGE);
72efd25dcf4f63 Christoph Hellwig 2018-07-19 310 up_read(&nvmet_ana_sem);
72efd25dcf4f63 Christoph Hellwig 2018-07-19 311
d4f2899b84cf50 Daniel Wagner 2021-12-29 312 status = nvmet_copy_to_sgl(req, 0, buffer + offset,
d4f2899b84cf50 Daniel Wagner 2021-12-29 313 nvmet_get_log_page_len(req->cmd));
72efd25dcf4f63 Christoph Hellwig 2018-07-19 314
d4f2899b84cf50 Daniel Wagner 2021-12-29 315 kfree(buffer);
72efd25dcf4f63 Christoph Hellwig 2018-07-19 316 out:
72efd25dcf4f63 Christoph Hellwig 2018-07-19 317 nvmet_req_complete(req, status);
72efd25dcf4f63 Christoph Hellwig 2018-07-19 318 }
72efd25dcf4f63 Christoph Hellwig 2018-07-19 319
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
next reply other threads:[~2021-12-30 3:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-30 3:09 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2021-12-29 15:53 [PATCH] nvmet: add support reading with offset from ANA log Daniel Wagner
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