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authorChristoph Hellwig <hch@lst.de>2020-09-03 16:22:33 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2020-09-08 22:21:31 -0400
commit4d03e3cc59828c82ee89ea6e27a2f3cdf95aaadf (patch)
tree47b12f217a59842f4b5e25bca6b4ab038b10dbc0 /arch/openrisc
parent4bd6a7353ee14697fea645e941354976d2c4a452 (diff)
fs: don't allow kernel reads and writes without iter ops
Don't allow calling ->read or ->write with set_fs as a preparation for killing off set_fs. All the instances that we use kernel_read/write on are using the iter ops already. If a file has both the regular ->read/->write methods and the iter variants those could have different semantics for messed up enough drivers. Also fails the kernel access to them in that case. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/openrisc')
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