linux-kernel - next: fs/quota/quota_tree.c:674:8: error: variable 'blk' is uninitialized when used here [-Werror,-Wuninitialized]

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Date: Mon, 12 Feb 2024 23:24:58 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: linux-fsdevel@...r.kernel.org, open list <linux-kernel@...r.kernel.org>, 
	lkft-triage@...ts.linaro.org, Linux Regressions <regressions@...ts.linux.dev>
Cc: Jan Kara <jack@...e.cz>, Dan Carpenter <dan.carpenter@...aro.org>
Subject: next: fs/quota/quota_tree.c:674:8: error: variable 'blk' is
 uninitialized when used here [-Werror,-Wuninitialized]

I encountered the following build warnings/errors while compiling the x86_64
kernel on Linux next-20240212 tag with clang toolchain.

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

fs/quota/quota_tree.c:674:8: error: variable 'blk' is uninitialized
when used here [-Werror,-Wuninitialized]
  674 |               blk);
      |                             ^~~
include/linux/quotaops .h:34:41: note: expanded from macro 'quota_error'
   34 |         __quota_error((sb), __func__, fmt , ## args)
      |                                                ^~~~
fs/quota/quota_tree.c:666:10: note: initialize the variable 'blk' to
silence this warning
  666 |         uint blk;
      |                 ^
      |                  = 0
1 error generated.

Links:
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2cFjnmDh1oofs8YfpPEBSMDvU9R/

As per the other reports, this has been fixed in Jan's tree.
https://lore.kernel.org/all/20240212131615.6jvnwweivkydv3j7@quack3/

--
Linaro LKFT
https://lkft.linaro.org