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Commit e30ca4bc authored by Dan Carpenter's avatar Dan Carpenter Committed by Oleksandr Andrushchenko
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drm/xen-front: checking for NULL instead of IS_ERR



drm_dev_alloc() returns error pointers, it never returns NULL.

Fixes: c575b7ee ("drm/xen-front: Add support for Xen PV display frontend")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: default avatarOleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: default avatarOleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180508092650.GA661@mwanda
parent 28eff786
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