| Message ID | 20181101161228.19432-1-robert.foss@collabora.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | [v1] drm/msm: Move fence put to where failure occurs | expand |
Quoting Robert Foss (2018-11-01 16:12:28) > If dma_fence_wait fails to wait for a supplied in-fence in > msm_ioctl_gem_submit, make sure we release that in-fence. > > Also remove this dma_fence_put() from the 'out' label. > > Signed-off-by: Robert Foss <robert.foss@collabora.com> > --- > drivers/gpu/drm/msm/msm_gem_submit.c | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) > > diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c > index a90aedd6883a..3e7704af5b24 100644 > --- a/drivers/gpu/drm/msm/msm_gem_submit.c > +++ b/drivers/gpu/drm/msm/msm_gem_submit.c > @@ -411,7 +411,6 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, > struct msm_file_private *ctx = file->driver_priv; > struct msm_gem_submit *submit; > struct msm_gpu *gpu = priv->gpu; > - struct dma_fence *in_fence = NULL; > struct sync_file *sync_file = NULL; > struct msm_gpu_submitqueue *queue; > struct msm_ringbuffer *ring; > @@ -444,7 +443,8 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, > ring = gpu->rb[queue->prio]; > > if (args->flags & MSM_SUBMIT_FENCE_FD_IN) { > - in_fence = sync_file_get_fence(args->fence_fd); > + struct dma_fence *in_fence = sync_file_get_fence( > + args->fence_fd); > > if (!in_fence) > return -EINVAL; > @@ -455,8 +455,10 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, > */ > if (!dma_fence_match_context(in_fence, ring->fctx->context)) { > ret = dma_fence_wait(in_fence, true); > - if (ret) > + if (ret) { > + dma_fence_put(in_fence); > return ret; > + } > } Careful, we need to keep the put for the normal path. Maybe, if (args->flags & MSM_SUBMIT_FENCE_FD_IN) { struct dma_fence *in_fence; in_fence = sync_file_get_fence(args->fence_fd); // keep line breaks natural if (!in_fence) return -EINVAL; ret = 0; if (!dma_fence_match_match_context(in_fence, ring->fctx->context) ret = dma_fence_wait(in_fence, true); dma_fence_put(in_fence); if (ret) return ret; }
Hey Chris, On 2018-11-01 17:26, Chris Wilson wrote: > Quoting Robert Foss (2018-11-01 16:12:28) >> If dma_fence_wait fails to wait for a supplied in-fence in >> msm_ioctl_gem_submit, make sure we release that in-fence. >> >> Also remove this dma_fence_put() from the 'out' label. >> >> Signed-off-by: Robert Foss <robert.foss@collabora.com> >> --- >> drivers/gpu/drm/msm/msm_gem_submit.c | 10 +++++----- >> 1 file changed, 5 insertions(+), 5 deletions(-) >> >> diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c >> index a90aedd6883a..3e7704af5b24 100644 >> --- a/drivers/gpu/drm/msm/msm_gem_submit.c >> +++ b/drivers/gpu/drm/msm/msm_gem_submit.c >> @@ -411,7 +411,6 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, >> struct msm_file_private *ctx = file->driver_priv; >> struct msm_gem_submit *submit; >> struct msm_gpu *gpu = priv->gpu; >> - struct dma_fence *in_fence = NULL; >> struct sync_file *sync_file = NULL; >> struct msm_gpu_submitqueue *queue; >> struct msm_ringbuffer *ring; >> @@ -444,7 +443,8 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, >> ring = gpu->rb[queue->prio]; >> >> if (args->flags & MSM_SUBMIT_FENCE_FD_IN) { >> - in_fence = sync_file_get_fence(args->fence_fd); >> + struct dma_fence *in_fence = sync_file_get_fence( >> + args->fence_fd); >> >> if (!in_fence) >> return -EINVAL; >> @@ -455,8 +455,10 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, >> */ >> if (!dma_fence_match_context(in_fence, ring->fctx->context)) { >> ret = dma_fence_wait(in_fence, true); >> - if (ret) >> + if (ret) { >> + dma_fence_put(in_fence); >> return ret; >> + } >> } > > Careful, we need to keep the put for the normal path. Maybe, Good catch, I'll send out a fixed version tomorrow. > > if (args->flags & MSM_SUBMIT_FENCE_FD_IN) { > struct dma_fence *in_fence; > > in_fence = sync_file_get_fence(args->fence_fd); // keep line breaks natural > if (!in_fence) > return -EINVAL; > > ret = 0; > if (!dma_fence_match_match_context(in_fence, ring->fctx->context) > ret = dma_fence_wait(in_fence, true); > dma_fence_put(in_fence); > if (ret) > return ret; > } > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel >
diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index a90aedd6883a..3e7704af5b24 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -411,7 +411,6 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, struct msm_file_private *ctx = file->driver_priv; struct msm_gem_submit *submit; struct msm_gpu *gpu = priv->gpu; - struct dma_fence *in_fence = NULL; struct sync_file *sync_file = NULL; struct msm_gpu_submitqueue *queue; struct msm_ringbuffer *ring; @@ -444,7 +443,8 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, ring = gpu->rb[queue->prio]; if (args->flags & MSM_SUBMIT_FENCE_FD_IN) { - in_fence = sync_file_get_fence(args->fence_fd); + struct dma_fence *in_fence = sync_file_get_fence( + args->fence_fd); if (!in_fence) return -EINVAL; @@ -455,8 +455,10 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, */ if (!dma_fence_match_context(in_fence, ring->fctx->context)) { ret = dma_fence_wait(in_fence, true); - if (ret) + if (ret) { + dma_fence_put(in_fence); return ret; + } } } @@ -583,8 +585,6 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, } out: - if (in_fence) - dma_fence_put(in_fence); submit_cleanup(submit); if (ret) msm_gem_submit_free(submit);
If dma_fence_wait fails to wait for a supplied in-fence in msm_ioctl_gem_submit, make sure we release that in-fence. Also remove this dma_fence_put() from the 'out' label. Signed-off-by: Robert Foss <robert.foss@collabora.com> --- drivers/gpu/drm/msm/msm_gem_submit.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)