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authorJeremy Huddleston <jeremyhu@freedesktop.org>2009-10-13 12:54:56 -0700
committerJeremy Huddleston <jeremyhu@freedesktop.org>2009-10-13 12:56:04 -0700
commitf6cb78e476132b201334655f0015a2c727434fbf (patch)
tree3f1a78eaad405ad40a199a8d78ba7ba42ee61e67
parent496350bd6832e595e42620da76d2f1e2e4c9e91d (diff)
Rootless: src drawable window can now be NULL
Fix a possible crash when pSrc->pDrawable is NULL. Signed-off-by: Colin Harrison <colin.harrison@virgin.net> Signed-off-by: Jeremy Huddleston <jeremyhu@freedesktop.org> (cherry picked from commit 7e178ffbed7c8557faf8d471ad275aa2b0365e1d)
-rw-r--r--miext/rootless/rootlessScreen.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/miext/rootless/rootlessScreen.c b/miext/rootless/rootlessScreen.c
index b10ca70eb..c73d5170b 100644
--- a/miext/rootless/rootlessScreen.c
+++ b/miext/rootless/rootlessScreen.c
@@ -257,7 +257,7 @@ RootlessComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
maskWin = (pMask->pDrawable->type == DRAWABLE_WINDOW) ?
(WindowPtr)pMask->pDrawable : NULL;
}
- srcWin = (pSrc->pDrawable->type == DRAWABLE_WINDOW) ?
+ srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ?
(WindowPtr)pSrc->pDrawable : NULL;
dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ?
(WindowPtr)pDst->pDrawable : NULL;
@@ -297,7 +297,7 @@ RootlessGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
GlyphPtr glyph;
WindowPtr srcWin, dstWin;
- srcWin = (pSrc->pDrawable->type == DRAWABLE_WINDOW) ?
+ srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ?
(WindowPtr)pSrc->pDrawable : NULL;
dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ?
(WindowPtr)pDst->pDrawable : NULL;