119109 2013-07-25 15:15:45 -0700 Null check m_frame in maximum and minimumScrollPosition 2013-07-25 15:24:23 -0700 1 1 1 Unclassified WebKit Layout and Rendering 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 thorton thorton andersca sam simon.fraser oldest_to_newest 911774 0 thorton 2013-07-25 15:15:45 -0700 <rdar://problem/14545393> 911776 1 thorton 2013-07-25 15:16:00 -0700 FrameView's m_frame can be null during teardown. 911778 2 207488 thorton 2013-07-25 15:18:58 -0700 Created attachment 207488 patch 911779 3 thorton 2013-07-25 15:24:23 -0700 http://trac.webkit.org/changeset/153349 207488 2013-07-25 15:18:58 -0700 2013-07-25 15:20:50 -0700 patch asdf.diff text/plain 1921 thorton ZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJDb3JlL0NoYW5nZUxvZyBiL1NvdXJjZS9XZWJDb3JlL0No YW5nZUxvZwppbmRleCA5YTEwNjYzLi5mYWE3YTNlIDEwMDY0NAotLS0gYS9Tb3VyY2UvV2ViQ29y ZS9DaGFuZ2VMb2cKKysrIGIvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMTcg QEAKKzIwMTMtMDctMjUgIFRpbSBIb3J0b24gIDx0aW1vdGh5X2hvcnRvbkBhcHBsZS5jb20+CisK KyAgICAgICAgTnVsbCBjaGVjayBtX2ZyYW1lIGluIG1heGltdW0gYW5kIG1pbmltdW1TY3JvbGxQ b3NpdGlvbgorICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9 MTE5MTA5CisgICAgICAgIDxyZGFyOi8vcHJvYmxlbS8xNDU0NTM5Mz4KKworICAgICAgICBSZXZp ZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAgICAgICAqIHBhZ2UvRnJhbWVWaWV3LmNwcDoK KyAgICAgICAgKFdlYkNvcmU6OkZyYW1lVmlldzo6bWluaW11bVNjcm9sbFBvc2l0aW9uKToKKyAg ICAgICAgKFdlYkNvcmU6OkZyYW1lVmlldzo6bWF4aW11bVNjcm9sbFBvc2l0aW9uKToKKyAgICAg ICAgTnVsbC1jaGVjayBtX2ZyYW1lIChhbmQgbW92ZSB0aGUgZWFybHktcmV0dXJuIGFmdGVyIHRo ZSBjbGFtcC10by0wCisgICAgICAgIGFzIHRoZSByZXZlcnQgaW4gcjE1MjkxMSBzaG91bGQgaGF2 ZSkuCisKIDIwMTMtMDctMjUgIEFuZGVycyBDYXJsc3NvbiAgPGFuZGVyc2NhQGFwcGxlLmNvbT4K IAogICAgICAgICBMb2NhbGl6YWJsZS5zdHJpbmdzIGdlbmVyYXRlZCBieSBleHRyYWN0LWxvY2Fs aXphYmxlLXN0cmluZ3Mgc2hvdWxkIGJlIFVURi04CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29y ZS9wYWdlL0ZyYW1lVmlldy5jcHAgYi9Tb3VyY2UvV2ViQ29yZS9wYWdlL0ZyYW1lVmlldy5jcHAK aW5kZXggMzQwODE1Ny4uNDkwNjc0ZCAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvcGFnZS9G cmFtZVZpZXcuY3BwCisrKyBiL1NvdXJjZS9XZWJDb3JlL3BhZ2UvRnJhbWVWaWV3LmNwcApAQCAt MTYzNiw3ICsxNjM2LDcgQEAgSW50UG9pbnQgRnJhbWVWaWV3OjptaW5pbXVtU2Nyb2xsUG9zaXRp b24oKSBjb25zdAogewogICAgIEludFBvaW50IG1pbmltdW1Qb3NpdGlvbihTY3JvbGxWaWV3Ojpt aW5pbXVtU2Nyb2xsUG9zaXRpb24oKSk7CiAKLSAgICBpZiAoIW1fZnJhbWUtPnBhZ2UoKSkKKyAg ICBpZiAoIW1fZnJhbWUgfHwgIW1fZnJhbWUtPnBhZ2UoKSkKICAgICAgICAgcmV0dXJuIG1pbmlt dW1Qb3NpdGlvbjsKIAogICAgIGlmIChtX2ZyYW1lID09IG1fZnJhbWUtPnBhZ2UoKS0+bWFpbkZy YW1lKCkgJiYgbV9zY3JvbGxQaW5uaW5nQmVoYXZpb3IgPT0gUGluVG9Cb3R0b20pCkBAIC0xNjQ5 LDExICsxNjQ5LDExIEBAIEludFBvaW50IEZyYW1lVmlldzo6bWF4aW11bVNjcm9sbFBvc2l0aW9u KCkgY29uc3QKIHsKICAgICBJbnRQb2ludCBtYXhpbXVtT2Zmc2V0KGNvbnRlbnRzV2lkdGgoKSAt IHZpc2libGVXaWR0aCgpIC0gc2Nyb2xsT3JpZ2luKCkueCgpLCB0b3RhbENvbnRlbnRzU2l6ZSgp LmhlaWdodCgpIC0gdmlzaWJsZUhlaWdodCgpIC0gc2Nyb2xsT3JpZ2luKCkueSgpKTsKIAotICAg IGlmICghbV9mcmFtZS0+cGFnZSgpKQotICAgICAgICByZXR1cm4gbWF4aW11bU9mZnNldDsKLQog ICAgIG1heGltdW1PZmZzZXQuY2xhbXBOZWdhdGl2ZVRvWmVybygpOwogCisgICAgaWYgKCFtX2Zy YW1lIHx8ICFtX2ZyYW1lLT5wYWdlKCkpCisgICAgICAgIHJldHVybiBtYXhpbXVtT2Zmc2V0Owor CiAgICAgaWYgKG1fZnJhbWUgPT0gbV9mcmFtZS0+cGFnZSgpLT5tYWluRnJhbWUoKSAmJiBtX3Nj cm9sbFBpbm5pbmdCZWhhdmlvciA9PSBQaW5Ub1RvcCkKICAgICAgICAgbWF4aW11bU9mZnNldC5z ZXRZKG1pbmltdW1TY3JvbGxQb3NpdGlvbigpLnkoKSk7CiAgICAgCg==