block/swim: Don't log an error message for an invalid ioctl

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commit 8e2ab5a4ef upstream.

The 'eject' shell command may send various different ioctl commands.
This leads to error messages on the console even though the FDEJECT
ioctl succeeds.

~# eject floppy
SWIM floppy_ioctl: unknown cmd 21257
SWIM floppy_ioctl: unknown cmd 1

Don't log an error message for an invalid ioctl, just do as the
swim3 driver does and return -ENOTTY.

Cc: Laurent Vivier <lvivier@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: stable@vger.kernel.org # v4.14+
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Acked-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Finn Thain 2018-04-11 20:50:14 -04:00 • committed by Greg Kroah-Hartman

parent 0dd9146a22

commit b7100feb26

1 changed files with 2 additions and 7 deletions

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drivers/block/swim.c

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