commit 3c127f589ac1bc48c20e0ff6a2c659502b342777
author Jeremy Gebben <jgebben@codeaurora.org> Mon Aug 08 17:04:11 2011 -0600
committer Bryan Huntsman <bryanh@codeaurora.org> Mon Oct 03 16:14:14 2011 -0700
tree 2a0426c057c47478726cb63d4d915158d01c3b4b
parent 690f9d172f39604d0347d0ce5435371f65a0441c

msm: kgsl: fix parameter checking in adreno_ringbuffer_issueibcmds

Signed-off-by: Jeremy Gebben <jgebben@codeaurora.org>

drivers/gpu/msm/adreno_ringbuffer.c

diff --git a/drivers/gpu/msm/adreno_ringbuffer.c b/drivers/gpu/msm/adreno_ringbuffer.c
index a4a769c..b05650c 100644
--- a/drivers/gpu/msm/adreno_ringbuffer.c
+++ b/drivers/gpu/msm/adreno_ringbuffer.c
@@ -562,16 +562,15 @@
 	unsigned int *link;
 	unsigned int *cmds;
 	unsigned int i;
-	struct adreno_context *drawctxt = context->devctxt;
+	struct adreno_context *drawctxt;
 
 	if (device->state & KGSL_STATE_HUNG)
 		return -EBUSY;
 	if (!(adreno_dev->ringbuffer.flags & KGSL_FLAGS_STARTED) ||
-	      context == NULL)
+	      context == NULL || ibdesc == 0 || numibs == 0)
 		return -EINVAL;
 
-	BUG_ON(ibdesc == 0);
-	BUG_ON(numibs == 0);
+	drawctxt = context->devctxt;
 
 	if (drawctxt->flags & CTXT_FLAGS_GPU_HANG) {
 		KGSL_CTXT_WARN(device, "Context %p caused a gpu hang.."