From: Colin King <colin.king@canonical.com>
To: Jani Nikula <jani.nikula@linux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH][next] drm/i915: fix uninitialized variable 'subslice_mask'
Date: Wed, 29 May 2019 15:43:25 +0100 [thread overview]
Message-ID: <20190529144325.17235-1-colin.king@canonical.com> (raw)
From: Colin Ian King <colin.king@canonical.com>
Currently subslice_mask is not initialized and so data is being
bit-wise or'd into a garbage value. Fix this by inintializing
subslice_mask to zero.
Addresses-Coverity: ("Uninitialized scalar variable")
Fixes: 1ac159e23c2c ("drm/i915: Expand subslice mask")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
drivers/gpu/drm/i915/intel_device_info.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 3625f777f3a3..d395a09b994f 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -298,7 +298,7 @@ static void cherryview_sseu_info_init(struct drm_i915_private *dev_priv)
{
struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu;
u32 fuse;
- u8 subslice_mask;
+ u8 subslice_mask = 0;
fuse = I915_READ(CHV_FUSE_GT);
--
2.20.1
next reply other threads:[~2019-05-29 14:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-29 14:43 Colin King [this message]
2019-05-29 15:04 ` Jani Nikula
2019-05-29 15:04 ` Colin Ian King
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