From 21fbee1ad2f89274dea0ab69410ee500ddf39bc4 Mon Sep 17 00:00:00 2001 From: Terje Bergstrom Date: Thu, 23 Feb 2012 13:03:35 +0200 Subject: 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 Reviewed-on: http://git-master/r/85479 Reviewed-by: Simone Willett Tested-by: Simone Willett --- drivers/video/tegra/host/dev.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/video/tegra/host/dev.c') 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 && -- cgit v1.2.3