From: Carter Cooper <ccooper@codeaurora.org>
Date: Mon, 20 Jun 2016 21:25:45 +0000 (-0600)
Subject: msm: kgsl: Allow 0 as a valid ion file descriptor
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=f2af84b10cbc0a3199248e93023cd69da75844e2;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

msm: kgsl: Allow 0 as a valid ion file descriptor

Treat 0 as a valid fd instead of treating it as an error.

CRs-Fixed: 1030098
Change-Id: I4a1b14fcbca617bc2a43b30af7256edc3920f04c
Signed-off-by: Carter Cooper <ccooper@codeaurora.org>
---

diff --git a/drivers/gpu/msm/kgsl.c b/drivers/gpu/msm/kgsl.c
index 059570dd3272..d421759d1b08 100644
--- a/drivers/gpu/msm/kgsl.c
+++ b/drivers/gpu/msm/kgsl.c
@@ -2249,7 +2249,7 @@ static long _gpuobj_map_dma_buf(struct kgsl_device *device,
 	if (ret)
 		return ret;
 
-	if (buf.fd == 0)
+	if (buf.fd < 0)
 		return -EINVAL;
 
 	*fd = buf.fd;