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| author | Michel Thierry <michel.thierry@intel.com> | 2015-04-30 16:06:51 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-05-08 13:03:30 +0200 |
| commit | 4dd738e9cd791ebac2a009f09f1761e85e7f0805 (patch) | |
| tree | 8036cf2718b09559c27bc6ddcc62959a08394917 /drivers/gpu/drm/i915/intel_runtime_pm.c | |
| parent | 5e562f1dddfa3242cede5ec49888260a856a9da2 (diff) | |
drm/i915: Fix 32b overflow check in gen8_ppgtt_alloc_page_directories
The patch 69876bed7e008f5fe01538a2d47c09f2862129d0: "drm/i915/gen8:
page directories rework allocation" added an overflow warning, but the
mask had an extra 0. Use less typo-prone option suggested by Dave
instead, to check for (start + length) >= 0x100000000ULL.
This check will be unnecessary after gen8_alloc_va_range handles more
than 4 PDPs (48b addressing).
v2: Really check for 32b overflow (Ville)
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Dave Gordon <david.s.gordon@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_runtime_pm.c')
0 files changed, 0 insertions, 0 deletions