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The compiler doesn't always spot the guard that object is allocated on the first pass, leading to: drivers/gpu/drm/i915/selftests/i915_gem_context.c: warning: 'obj' may be used uninitialized in this function [-Wuninitialized]: => 370:8 v2: Make it more obvious by setting obj to NULL on the first pass and any later pass where we need to reallocate. Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Fixes:791ff39ae3("drm/i915: Live testing for context execution") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Matthew Auld <matthew.auld@intel.com> c: <drm-intel-fixes@lists.freedesktop.org> # v4.12-rc1+ Link: http://patchwork.freedesktop.org/patch/msgid/20170523194412.1195-1-chris@chris-wilson.co.uk Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> (cherry picked from commitca83d5840c) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.