diff options
| author | Terje Bergstrom <tbergstrom@nvidia.com> | 2012-02-23 13:03:35 +0200 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-02-24 22:08:43 -0800 |
| commit | 21fbee1ad2f89274dea0ab69410ee500ddf39bc4 (patch) | |
| tree | f027e3f231f201315950da34f8f60315085cb261 /drivers/video/tegra/host/dev.c | |
| parent | f6e8966fbbe4aa617f7284fe95b0a720498e4d4a (diff) | |
video: tegra: host: Reject gathers if submit failed
If submit failed, for example when we ran out of memory, we should
reject any subsequent writes.
Bug 936097
Change-Id: Ic124fc08b7715532d210a0c0d0b7aebcb54e43d4
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/85479
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
Diffstat (limited to 'drivers/video/tegra/host/dev.c')
| -rw-r--r-- | drivers/video/tegra/host/dev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/tegra/host/dev.c b/drivers/video/tegra/host/dev.c index 8a5cae35e9a1..2b11929dab3c 100644 --- a/drivers/video/tegra/host/dev.c +++ b/drivers/video/tegra/host/dev.c @@ -223,6 +223,9 @@ static ssize_t nvhost_channelwrite(struct file *filp, const char __user *buf, struct nvhost_submit_hdr_ext *hdr = &priv->hdr; const char *chname = priv->ch->dev->name; + if (!job) + return -EIO; + while (remaining) { size_t consumed; if (!hdr->num_relocs && |