From: Chris Wilson <chris@chris-wilson.co.uk>
To: kjlu@umn.edu
Cc: pakki001@umn.edu, 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,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] gpu: i915: fix a missing check of get_free_page
Date: Sat, 09 Mar 2019 09:36:14 +0000 [thread overview]
Message-ID: <155212417408.28502.15628871831122730555@skylake-alporthouse-com> (raw)
In-Reply-To: <20190309042450.4188-1-kjlu@umn.edu>
Quoting Kangjie Lu (2019-03-09 04:24:50)
> If the allocation fails, return false to avoid potential
> NULL pointer dereference
No. If we fail to allocate c->tmp, we do uncached reads instead.
-Chris
next prev parent reply other threads:[~2019-03-09 9:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-09 4:24 [PATCH] gpu: i915: fix a missing check of get_free_page Kangjie Lu
2019-03-09 9:36 ` Chris Wilson [this message]
2019-03-12 9:32 ` ✗ Fi.CI.SPARSE: warning for " Patchwork
2019-03-12 10:26 ` ✓ Fi.CI.BAT: success " Patchwork
2019-03-12 11:51 ` ✓ Fi.CI.IGT: " Patchwork
2019-03-12 12:50 ` Patchwork
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