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author | Alan Cox | 2011-05-13 12:08:26 +0200 |
---|---|---|
committer | Greg Kroah-Hartman | 2011-05-17 20:37:56 +0200 |
commit | 4f0c8f43ee5e9e12ed36a5950e19cfe513669ae7 (patch) | |
tree | f2657d266415973cb4f8ddd22f9647f65e0ee653 /drivers/staging/gma500 | |
parent | comedi vmk80xx: Style improvements (diff) | |
download | kernel-qcow2-linux-4f0c8f43ee5e9e12ed36a5950e19cfe513669ae7.tar.gz kernel-qcow2-linux-4f0c8f43ee5e9e12ed36a5950e19cfe513669ae7.tar.xz kernel-qcow2-linux-4f0c8f43ee5e9e12ed36a5950e19cfe513669ae7.zip |
gma500: Don't try and take a GEM handle of a non GEM fb
The initial GMA500 framebuffer is not GEM but stolen memory. We can't
therefore take a GEM handle of it. Stop anyone trying to do this and causing
a crash.
Ideally we need a way to have GEM handles to non GEM objects but it's not
clear how and if GEM and the modesetting/fb interfaces it provides are
supposed to or indeed if they can handle it.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/gma500')
-rw-r--r-- | drivers/staging/gma500/psb_fb.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/gma500/psb_fb.c b/drivers/staging/gma500/psb_fb.c index ae097cd883f5..99c03a2e06bd 100644 --- a/drivers/staging/gma500/psb_fb.c +++ b/drivers/staging/gma500/psb_fb.c @@ -648,6 +648,8 @@ static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, { struct psb_framebuffer *psbfb = to_psb_fb(fb); struct gtt_range *r = psbfb->gtt; + if (r->stolen) + return -EOPNOTSUPP; return drm_gem_handle_create(file_priv, &r->gem, handle); } |