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SubjectRe: [PATCH v2] UBI: add debugfs file for tracking PEB state
Hi Ben,

[auto build test WARNING on v4.9-rc8]
[also build test WARNING on next-20170324]
[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/Zach-Brown/UBI-add-debugfs-file-for-tracking-PEB-state/20170325-205127
config: x86_64-rhel (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

All warnings (new ones prefixed by >>):

drivers/mtd/ubi/debug.c: In function 'eraseblk_count_seq_show':
>> drivers/mtd/ubi/debug.c:465:19: warning: comparison of constant '0' with boolean expression is always false [-Wbool-compare]
if (!erase_count < 0)
^
>> drivers/mtd/ubi/debug.c:465:19: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]

vim +/0 +465 drivers/mtd/ubi/debug.c

449 "physical_block_number\terase_count\tblock_status\tread_status\n");
450 return 0;
451 }
452
453 err = ubi_io_is_bad(ubi, *block_number);
454 if (err)
455 return err;
456
457 spin_lock(&ubi->wl_lock);
458
459 wl = ubi->lookuptbl[*block_number];
460 if (wl)
461 erase_count = wl->ec;
462
463 spin_unlock(&ubi->wl_lock);
464
> 465 if (!erase_count < 0)
466 return 0;
467
468 seq_printf(s, "%-22d\t%-11d\n", *block_number, erase_count);
469
470 return 0;
471 }
472
473 static const struct seq_operations eraseblk_count_seq_ops = {

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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