drm/qxl: use kmalloc_array to alloc reloc_info in qxl_process_single_command

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commit 34855706c3 upstream.

This avoids integer overflows on 32bit machines when calculating
reloc_info size, as reported by Alan Cox.

Cc: gnomes@lxorguk.ukuu.org.uk
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Gerd Hoffmann 2016-02-16 14:25:00 +01:00 • committed by Greg Kroah-Hartman

parent 0f44b766c9

commit b78bd121b4

1 changed files with 2 additions and 1 deletions

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drivers/gpu/drm/qxl/qxl_ioctl.c

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