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drm/xen-front: checking for NULL instead of IS_ERR

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

Fixes: c575b7eeb8 ("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
This commit is contained in:
Dan Carpenter 2018-05-08 12:26:50 +03:00 committed by Oleksandr Andrushchenko
parent 28eff78618
commit e30ca4bcf0
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/xen/xen_drm_front.c
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@ -543,8 +543,8 @@ static int xen_drm_drv_init(struct xen_drm_front_info *front_info)
front_info->drm_info = drm_info;
drm_dev = drm_dev_alloc(&xen_drm_driver, dev);
if (!drm_dev) {
ret = -ENOMEM;
if (IS_ERR(drm_dev)) {
ret = PTR_ERR(drm_dev);
goto fail;
}