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(parent: c2f3f75) | patch
debugfs: Make debugfs_allow RO after init
authorKees Cook <keescook@chromium.org>
Mon, 5 Apr 2021 21:39:59 +0000 (14:39 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 9 Apr 2021 14:58:15 +0000 (16:58 +0200)
commit312723a0b34d6d110aa4427a982536bb36ab8471
tree09491e458150de425af70e214cec1719a5385f82tree | snapshot
parentc2f3f755f5c717f3621b33ef06d974b9cec4a104commit | diff
debugfs: Make debugfs_allow RO after init

Since debugfs_allow is only set at boot time during __init, make it
read-only after being set.

Fixes: a24c6f7bc923 ("debugfs: Add access restriction option")
Cc: Peter Enderborg <peter.enderborg@sony.com>
Reviewed-by: Peter Enderborg <peter.enderborg@sony.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210405213959.3079432-1-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/debugfs/inode.c diff | blob | history
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