Re: [PATCH] gpu: host1x: Fix error handling

From: Mikko Perttunen
Date: Tue Apr 11 2017 - 04:39:13 EST


On 10.04.2017 23:29, Christophe JAILLET wrote:
If 'devm_reset_control_get' returns an error, then we erroneously return
success because error code is taken from 'host->clk' instead of
'host->rst'.

Fixes: b386c6b73ac6 ("gpu: host1x: Support module reset")

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
drivers/gpu/host1x/dev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index f05ebb14fa63..ac65f52850a6 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -172,7 +172,7 @@ static int host1x_probe(struct platform_device *pdev)

host->rst = devm_reset_control_get(&pdev->dev, "host1x");
if (IS_ERR(host->rst)) {
- err = PTR_ERR(host->clk);
+ err = PTR_ERR(host->rst);
dev_err(&pdev->dev, "failed to get reset: %d\n", err);
return err;
}


Reviewed-by: Mikko Perttunen <mperttunen@xxxxxxxxxx>