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Arnd Bergmann 0a061743af compat_ioctl: fix FIONREAD on devices
My final cleanup patch for sys_compat_ioctl() introduced a regression on
the FIONREAD ioctl command, which is used for both regular and special
files, but only works on regular files after my patch, as I had missed
the warning that Al Viro put into a comment right above it.

Change it back so it can work on any file again by moving the implementation
to do_vfs_ioctl() instead.

Fixes: 77b9040195 ("compat_ioctl: simplify the implementation")
Reported-and-tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Reported-and-tested-by: youling257 <youling257@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-02-08 18:02:54 +01:00
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drivers compat_ioctl: scsi: move ioctl handling into drivers 2020-01-03 09:42:32 +01:00
fs compat_ioctl: fix FIONREAD on devices 2020-02-08 18:02:54 +01:00
include compat_ioctl: simplify the implementation 2020-01-03 09:42:52 +01:00
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Linux kernel
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