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riched20: Check para before use in ME_PrevRun. 

Signed-off-by: Jactry Zeng <jzeng@codeweavers.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jactry Zeng 2018-04-13 15:56:44 +08:00 committed by Alexandre Julliard
parent 3f281a3baa
commit ea7186348f
1 changed files with 1 additions and 1 deletions
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2
dlls/riched20/list.c
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@ -97,7 +97,7 @@ BOOL ME_PrevRun(ME_DisplayItem **para, ME_DisplayItem **run, BOOL all_para)
{
if (p->type == diParagraph) {
if (!all_para) return FALSE;
if (p->member.para.prev_para->type == diParagraph)
if (para && p->member.para.prev_para->type == diParagraph)
*para = p->member.para.prev_para;
} else if (p->type == diRun) {
*run = p;