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author | Peter Hutterer <peter.hutterer@who-t.net> | 2012-06-25 14:22:31 +1000 |
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committer | Peter Hutterer <peter.hutterer@who-t.net> | 2012-07-04 21:16:16 +1000 |
commit | 55ff20eb37f00a3ad07b5acff19d4497ab513a97 (patch) | |
tree | f9f4aa779b6dc80b0a3e68baafcc5734ad01d1d9 /dix/touch.c | |
parent | e3f47be9fbc489e3eb5832445924810b2ff300f7 (diff) |
dix: fix dereference before null check
Found by Coverity.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'dix/touch.c')
-rw-r--r-- | dix/touch.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/dix/touch.c b/dix/touch.c index a01f152cd..06b15ef4b 100644 --- a/dix/touch.c +++ b/dix/touch.c @@ -160,11 +160,13 @@ TouchBeginDDXTouch(DeviceIntPtr dev, uint32_t ddx_id) int i; TouchClassPtr t = dev->touch; DDXTouchPointInfoPtr ti = NULL; - Bool emulate_pointer = (t->mode == XIDirectTouch); + Bool emulate_pointer; if (!t) return NULL; + emulate_pointer = (t->mode == XIDirectTouch); + /* Look for another active touchpoint with the same DDX ID. DDX * touchpoints must be unique. */ if (TouchFindByDDXID(dev, ddx_id, FALSE)) |