Messages in this thread | | | Subject | Re: linux-next: build warning after merge of the i2c tree | From | Jie Deng <> | Date | Wed, 18 Aug 2021 14:54:12 +0800 |
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On 2021/8/18 14:29, Stephen Rothwell wrote: > Hi all, > > After merging the i2c tree, today's linux-next build (powerpc > allyesconfig) produced this warning: > > drivers/i2c/busses/i2c-virtio.c: In function 'virtio_i2c_probe': > drivers/i2c/busses/i2c-virtio.c:208:17: warning: unused variable 'pdev' [-Wunused-variable] > 208 | struct device *pdev = vdev->dev.parent; > | ^~~~ > > Introduced by commit > > 8fb12751ac78 ("i2c: virtio: add a virtio i2c frontend driver")
Why we have this warning ? In commit 8fb12751ac78, the variable 'pdev' was used in line 237.
https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git/commit/?h=i2c/for-next&id=8fb12751ac78d0a4ba3c604496ffc8dcd1bd6c31
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