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| author | Eric Anholt <eric@anholt.net> | 2008-09-11 01:22:49 +0400 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2008-10-18 01:10:52 +0400 |
| commit | 4f481ed22ec0d412336a13dc4477f6d0f3688882 (patch) | |
| tree | 079faba388193dbe9234aedf2cd314df3b90be1b /drivers/gpu/drm/i915/i915_gem.c | |
| parent | d4e7b898c12b2b458323243abdd4a215f8f8f090 (diff) | |
| download | linux-4f481ed22ec0d412336a13dc4477f6d0f3688882.tar.xz | |
drm: Avoid oops in GEM execbuffers with bad arguments.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 5fe50343de11..29d9d21e9413 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1763,6 +1763,10 @@ i915_gem_execbuffer(struct drm_device *dev, void *data, (int) args->buffers_ptr, args->buffer_count, args->batch_len); #endif + if (args->buffer_count < 1) { + DRM_ERROR("execbuf with %d buffers\n", args->buffer_count); + return -EINVAL; + } /* Copy in the exec list from userland */ exec_list = drm_calloc(sizeof(*exec_list), args->buffer_count, DRM_MEM_DRIVER); |