linux-kernel - [PATCH v2 0/5] Fix scan-build warnings

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Message-Id: <20230427-scan-build-v2-0-bb96a6e6a33b@codewreck.org>
Date:   Wed, 03 May 2023 16:49:24 +0900
From:   Dominique Martinet <asmadeus@...ewreck.org>
To:     Eric Van Hensbergen <ericvh@...il.com>,
        Latchesar Ionkov <lucho@...kov.net>,
        Christian Schoenebeck <linux_oss@...debyte.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     Simon Horman <simon.horman@...igine.com>, v9fs@...ts.linux.dev,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        Dominique Martinet <asmadeus@...ewreck.org>
Subject: [PATCH v2 0/5] Fix scan-build warnings

I ran scan-build very crudly on our source files, and there was at least
one real bug so we might as well run it once in a while, in which case
we probably ought to also fix the less important things hence this
series.
In here the first patch is a real fix and the rest is low priority, the
last one is arguably not an improvement and can be discussed (happy to
just move the 0-initializations around to variable declaration which
would also silence scan-build afaict)

Anyway, it can probably all wait until after this merge, sorry for the
timing.

Signed-off-by: Dominique Martinet <asmadeus@...ewreck.org>
---
Changes in v2:
- Add Fixes tag to first patch (wasn't the one suggested but a very
  recent commit, still in -next)
- Fix typo in commit messages
- Link to v1: https://lore.kernel.org/r/20230427-scan-build-v1-0-efa05d65e2da@codewreck.org

---
Dominique Martinet (5):
      9p: fix ignored return value in v9fs_dir_release
      9p: virtio: fix unlikely null pointer deref in handle_rerror
      9p: virtio: make sure 'offs' is initialized in zc_request
      9p: virtio: skip incrementing unused variable
      9p: remove dead stores (variable set again without being read)

 fs/9p/vfs_dir.c        |  5 +++--
 fs/9p/vfs_inode.c      |  6 ------
 fs/9p/vfs_inode_dotl.c |  1 -
 net/9p/client.c        | 46 ++++++++++++----------------------------------
 net/9p/trans_virtio.c  |  8 ++++----
 5 files changed, 19 insertions(+), 47 deletions(-)
---
base-commit: 21e26d5e54ab7cfe6b488fd27d4d70956d07e03b
change-id: 20230427-scan-build-d894c16fc945

Best regards,
-- 
Dominique Martinet | Asmadeus