diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-07-17 11:45:29 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-07-17 11:45:29 +0200 |
| commit | b5e4111f027c4be85dbe97e090530d03c55c4cf4 (patch) | |
| tree | 11e0a37cb59314f4e9a7b2810124a4a7a33140e5 /drivers/gpu/drm/msm/msm_gem.c | |
| parent | 72d5305dcb3637913c2c37e847a4de9028e49244 (diff) | |
| parent | 9de8033f1bbcce5ed23fe5da9ca1a5060207f7ed (diff) | |
Merge branch 'locking/urgent' into locking/core, before applying larger changes and to refresh the branch with fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index bb8026daebc9..690d7e7b6d1e 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -278,6 +278,7 @@ int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id, uint32_t *iova) { struct msm_gem_object *msm_obj = to_msm_bo(obj); + struct drm_device *dev = obj->dev; int ret = 0; if (!msm_obj->domain[id].iova) { @@ -285,6 +286,11 @@ int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id, struct msm_mmu *mmu = priv->mmus[id]; struct page **pages = get_pages(obj); + if (!mmu) { + dev_err(dev->dev, "null MMU pointer\n"); + return -EINVAL; + } + if (IS_ERR(pages)) return PTR_ERR(pages); |