linux-kernel - [PATCH] drm/panfrost: fix odd_ptr

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Date:   Mon, 1 Apr 2019 21:36:12 +0200 (CEST)
From:   Julia Lawall <julia.lawall@...6.fr>
To:     Neil Armstrong <narmstrong@...libre.com>
cc:     Rob Herring <robh@...nel.org>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        "Marty E. Plummer" <hanetzer@...rtmail.com>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        kbuild-all@...org
Subject: [PATCH] drm/panfrost: fix odd_ptr_err.cocci warnings

From: kbuild test robot <lkp@...el.com>

PTR_ERR should access the value just tested by IS_ERR

Generated by: scripts/coccinelle/tests/odd_ptr_err.cocci

Fixes: 10f21de123ac ("drm/panfrost: add support for reset lines")
CC: Neil Armstrong <narmstrong@...libre.com>
Signed-off-by: kbuild test robot <lkp@...el.com>
Signed-off-by: Julia Lawall <julia.lawall@...6.fr>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git panfrost-rebase-v2
head:   10f21de123ac13b8c257528b0b1222ebb5650510
commit: 10f21de123ac13b8c257528b0b1222ebb5650510 [7/7] drm/panfrost: add support for reset lines
:::::: branch date: 10 hours ago
:::::: commit date: 10 hours ago

Please take the patch only if it's a positive warning. Thanks!

 panfrost_device.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/panfrost/panfrost_device.c
+++ b/drivers/gpu/drm/panfrost/panfrost_device.c
@@ -21,7 +21,8 @@ static int panfrost_reset_init(struct pa

 	pfdev->rstc = devm_reset_control_array_get(pfdev->dev, false, true);
 	if (IS_ERR(pfdev->rstc)) {
-		dev_err(pfdev->dev, "get reset failed %ld\n", PTR_ERR(pfdev->clock));
+		dev_err(pfdev->dev, "get reset failed %ld\n",
+			PTR_ERR(pfdev->rstc));
 		return PTR_ERR(pfdev->rstc);
 	}