diff options
| author | Tiago Vignatti <tiago.vignatti@nokia.com> | 2010-04-16 17:50:43 +0300 |
|---|---|---|
| committer | Tiago Vignatti <tiago.vignatti@nokia.com> | 2010-04-21 18:06:59 +0300 |
| commit | 49835eec0c996ad95a01f0fe340336b6b60e51aa (patch) | |
| tree | a61cd574f33ac38ef78cf6adcd43f9abae2430bb | |
| parent | 996c115deb558e8e9490ea773528b8e96650df53 (diff) | |
exa: check for NULL pointer before dereferences it
Signed-off-by: Tiago Vignatti <tiago.vignatti@nokia.com>
Acked-by: Michel Dänzer <michel@daenzer.net>
Reviewed-by: Dan Nicholson <dbn.lists@gmail.com>
| -rw-r--r-- | exa/exa_classic.c | 3 | ||||
| -rw-r--r-- | exa/exa_driver.c | 3 | ||||
| -rw-r--r-- | exa/exa_mixed.c | 3 |
3 files changed, 6 insertions, 3 deletions
diff --git a/exa/exa_classic.c b/exa/exa_classic.c index c31e2d4b3..e1ead6c0d 100644 --- a/exa/exa_classic.c +++ b/exa/exa_classic.c @@ -148,7 +148,7 @@ Bool exaModifyPixmapHeader_classic(PixmapPtr pPixmap, int width, int height, int depth, int bitsPerPixel, int devKind, pointer pPixData) { - ScreenPtr pScreen = pPixmap->drawable.pScreen; + ScreenPtr pScreen; ExaScreenPrivPtr pExaScr; ExaPixmapPrivPtr pExaPixmap; Bool ret; @@ -156,6 +156,7 @@ exaModifyPixmapHeader_classic(PixmapPtr pPixmap, int width, int height, int dept if (!pPixmap) return FALSE; + pScreen = pPixmap->drawable.pScreen; pExaScr = ExaGetScreenPriv(pScreen); pExaPixmap = ExaGetPixmapPriv(pPixmap); diff --git a/exa/exa_driver.c b/exa/exa_driver.c index dcf1a9860..abe79baad 100644 --- a/exa/exa_driver.c +++ b/exa/exa_driver.c @@ -126,7 +126,7 @@ Bool exaModifyPixmapHeader_driver(PixmapPtr pPixmap, int width, int height, int depth, int bitsPerPixel, int devKind, pointer pPixData) { - ScreenPtr pScreen = pPixmap->drawable.pScreen; + ScreenPtr pScreen; ExaScreenPrivPtr pExaScr; ExaPixmapPrivPtr pExaPixmap; Bool ret; @@ -134,6 +134,7 @@ exaModifyPixmapHeader_driver(PixmapPtr pPixmap, int width, int height, int depth if (!pPixmap) return FALSE; + pScreen = pPixmap->drawable.pScreen; pExaScr = ExaGetScreenPriv(pScreen); pExaPixmap = ExaGetPixmapPriv(pPixmap); diff --git a/exa/exa_mixed.c b/exa/exa_mixed.c index 21cc3bd13..49e04f22a 100644 --- a/exa/exa_mixed.c +++ b/exa/exa_mixed.c @@ -124,7 +124,7 @@ Bool exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, int height, int depth, int bitsPerPixel, int devKind, pointer pPixData) { - ScreenPtr pScreen = pPixmap->drawable.pScreen; + ScreenPtr pScreen; ExaScreenPrivPtr pExaScr; ExaPixmapPrivPtr pExaPixmap; Bool ret, has_gpu_copy; @@ -132,6 +132,7 @@ exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, int height, int depth, if (!pPixmap) return FALSE; + pScreen = pPixmap->drawable.pScreen; pExaScr = ExaGetScreenPriv(pScreen); pExaPixmap = ExaGetPixmapPriv(pPixmap); |