tree 93c166ea78d118bd93ca1d76750563e9ada123ae
parent 44660dc13a458b1262b7d3e866015c4b6250c09f
author timothy_horton@apple.com <timothy_horton@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1562883777 +0000
committer timothy_horton@apple.com <timothy_horton@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1562883777 +0000

Null deref of Range under WebPage::startAutoscrollAtPosition
https://bugs.webkit.org/show_bug.cgi?id=199724
<rdar://problem/41127089>

Reviewed by Dean Jackson.

* WebProcess/WebPage/ios/WebPageIOS.mm:
(WebKit::WebPage::startAutoscrollAtPosition):
Refactor this function to be early-return-y, and add one more
early return if the Range is null.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@247369 268f45cc-cd09-0410-ab3c-d52691b4dbfc