Thread (68 messages) 68 messages, 21 authors, 2021-04-20

Re: [PATCH 000/141] Fix fall-through warnings for Clang

From: James Bottomley <James.Bottomley@HansenPartnership.com>
Date: 2020-11-22 19:54:23
Also in: alsa-devel, amd-gfx, bridge, ceph-devel, dm-devel, dri-devel, intel-gfx, intel-wired-lan, keyrings, linux-acpi, linux-arm-msm, linux-block, linux-can, linux-cifs, linux-crypto, linux-ext4, linux-fbdev, linux-gpio, linux-hardening, linux-hwmon, linux-i3c, linux-ide, linux-iio, linux-input, linux-integrity, linux-media, linux-mediatek, linux-mm, linux-mmc, linux-nfs, linux-rdma, linux-renesas-soc, linux-scsi, linux-sctp, linux-usb, linux-watchdog, linux-wireless, lkml, netdev, netfilter-devel, op-tee, selinux, target-devel, xen-devel

On Sun, 2020-11-22 at 11:22 -0800, Joe Perches wrote:
On Sun, 2020-11-22 at 11:12 -0800, James Bottomley wrote:
quoted
On Sun, 2020-11-22 at 10:25 -0800, Joe Perches wrote:
quoted
On Sun, 2020-11-22 at 10:21 -0800, James Bottomley wrote:
quoted
Please tell me our reward for all this effort isn't a single
missing error print.
There were quite literally dozens of logical defects found
by the fallthrough additions.  Very few were logging only.
So can you give us the best examples (or indeed all of them if
someone is keeping score)?  hopefully this isn't a US election
situation ...
Gustavo?  Are you running for congress now?

https://lwn.net/Articles/794944/
That's 21 reported fixes of which about 50% seem to produce no change
in code behaviour at all, a quarter seem to have no user visible effect
with the remaining quarter producing unexpected errors on obscure
configuration parameters, which is why no-one really noticed them
before.

James

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