Description: drm/radeon: check the alloc_workqueue return value in radeon_crtc_init()
References:
Notes:
 carnil> Introduced in fa7f517cb26e ("drm/radeon: rework page flip handling v4").
 carnil> Vulnerable versions: 3.16-rc1.
Bugs:
upstream: released (6.8-rc1) [7a2464fac80d42f6f8819fed97a553e9c2f43310]
6.7-upstream-stable: released (6.7.2) [fb2d8bc9b5e55848b8a7c3c028e2ee8d49f28f97]
6.6-upstream-stable: released (6.6.14) [0b813a6a0087451cb702b6eb841f10856f49d088]
6.1-upstream-stable: released (6.1.75) [c4ff55408187f2595066967047363ca84e76db85]
5.10-upstream-stable: released (5.10.209) [57ca7984806d79b38af528de88fd803babf27feb]
4.19-upstream-stable: released (4.19.306) [21b1645660717d6126dd4866c850fcc5c4703a41]
sid: released (6.6.15-1)
6.1-bookworm-security: released (6.1.76-1)
5.10-bullseye-security: released (5.10.209-1)
4.19-buster-security: pending (4.19.309-1)