[PATCH -next v2] gpu: host1x: gr2d: fix error return code in gr2d_submit()

[Wei Yongjun]

From: Wei Yongjun <yongjun_wei at trendmicro.com.cn>

Fix to return -EINVAL in the host1x_bo lookup error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
---
v1 -> v2: fix the patch subject
---
 drivers/gpu/host1x/drm/gr2d.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/host1x/drm/gr2d.c b/drivers/gpu/host1x/drm/gr2d.c
index 6a45ae0..146cd64 100644
--- a/drivers/gpu/host1x/drm/gr2d.c
+++ b/drivers/gpu/host1x/drm/gr2d.c
@@ -135,8 +135,10 @@ static int gr2d_submit(struct host1x_drm_context *context,
 			goto fail;
 
 		bo = host1x_bo_lookup(drm, file, cmdbuf.handle);
-		if (!bo)
+		if (!bo) {
+			err = -EINVAL;
 			goto fail;
+		}
 
 		host1x_job_add_gather(job, bo, cmdbuf.words, cmdbuf.offset);
 		num_cmdbufs--;
@@ -158,8 +160,10 @@ static int gr2d_submit(struct host1x_drm_context *context,
 		reloc->cmdbuf = cmdbuf;
 		reloc->target = target;
 
-		if (!reloc->target || !reloc->cmdbuf)
+		if (!reloc->target || !reloc->cmdbuf) {
+			err = -EINVAL;
 			goto fail;
+		}
 	}
 
 	err = copy_from_user(job->waitchk, waitchks,