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| author | fred gao <fred.gao@intel.com> | 2017-08-16 09:48:03 +0200 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2017-08-23 08:08:57 +0200 |
| commit | ffeaf9aaf97b4bdaf114d6df52f800d71918768c (patch) | |
| tree | 346dde7bc87ad691ac5b2a438b91a82fe3ad42e4 /drivers | |
| parent | drm/i915/gvt: Change the max length of mmio_reg_rw from 4 to 8 (diff) | |
| download | linux-ffeaf9aaf97b4bdaf114d6df52f800d71918768c.tar.xz linux-ffeaf9aaf97b4bdaf114d6df52f800d71918768c.zip | |
drm/i915/gvt: Fix the kernel null pointer error
once error happens in shadow_indirect_ctx function, the variable
wa_ctx->indirect_ctx.obj is not initialized but accessed, so the
kernel null point panic occurs.
Fixes: 894cf7d15634 ("drm/i915/gvt: i915_gem_object_create() returns an error pointer")
Cc: stable@vger.kernel.org # v4.8+
Signed-off-by: fred gao <fred.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/cmd_parser.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index 713848c36349..e556a46cd4c2 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -2714,7 +2714,7 @@ static int shadow_indirect_ctx(struct intel_shadow_wa_ctx *wa_ctx) unmap_src: i915_gem_object_unpin_map(obj); put_obj: - i915_gem_object_put(wa_ctx->indirect_ctx.obj); + i915_gem_object_put(obj); return ret; } |