Oleksandr Andrushchenko cb60f04894 drm/xen-front: Fix misused IS_ERR_OR_NULL checks ... commit 14dee05861 upstream The patch c575b7eeb89f: "drm/xen-front: Add support for Xen PV display frontend" from Apr 3, 2018, leads to the following static checker warning: drivers/gpu/drm/xen/xen_drm_front_gem.c:140 xen_drm_front_gem_create() warn: passing zero to 'ERR_CAST' drivers/gpu/drm/xen/xen_drm_front_gem.c 133 struct drm_gem_object *xen_drm_front_gem_create(struct drm_device *dev, 134 size_t size) 135 { 136 struct xen_gem_object *xen_obj; 137 138 xen_obj = gem_create(dev, size); 139 if (IS_ERR_OR_NULL(xen_obj)) 140 return ERR_CAST(xen_obj); Fix this and the rest of misused places with IS_ERR_OR_NULL in the driver. Fixes: c575b7eeb89f: "drm/xen-front: Add support for Xen PV display frontend" Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20200813062113.11030-3-andr2000@gmail.com Signed-off-by: Juergen Gross <jgross@suse.com> [sudip: adjust context] Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2020-12-30 11:25:43 +01:00
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Kconfig
Makefile
xen_drm_front_cfg.c
xen_drm_front_cfg.h
xen_drm_front_conn.c
xen_drm_front_conn.h
xen_drm_front_evtchnl.c
xen_drm_front_evtchnl.h
xen_drm_front_gem.c	drm/xen-front: Fix misused IS_ERR_OR_NULL checks	2020-12-30 11:25:43 +01:00
xen_drm_front_gem.h
xen_drm_front_kms.c	drm/xen-front: Fix misused IS_ERR_OR_NULL checks	2020-12-30 11:25:43 +01:00
xen_drm_front_kms.h
xen_drm_front_shbuf.c
xen_drm_front_shbuf.h
xen_drm_front.c	drm/xen-front: Fix misused IS_ERR_OR_NULL checks	2020-12-30 11:25:43 +01:00
xen_drm_front.h