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:Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Signed-off-by:
Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180508092650.GA661@mwanda
parent
28eff786
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