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(parent: d1a1a96) | patch
sysfs: simplify sysfs_kf_seq_show
authorChristoph Hellwig <hch@lst.de>
Mon, 13 Sep 2021 05:41:14 +0000 (07:41 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 14 Sep 2021 15:03:01 +0000 (17:03 +0200)
commit820879ee1865f7010ec3a949322f643f008c9feb
tree59e97ff1ee770f7b4367eea6a30dac69941bdf0ftree | snapshot
parentd1a1a9606e080c9767e229742f5b331b3b551c0ccommit | diff
sysfs: simplify sysfs_kf_seq_show

Contrary to the comment ->show is never called from lseek for sysfs,
given that sysfs does not use seq_lseek.  So remove the NULL ->show
case and just WARN and return an error if some future code path ends
up here.

Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210913054121.616001-7-hch@lst.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/sysfs/file.c diff | blob | history
Domain: System / Kernel;