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Coverity #1037: Sanity check idx before use.

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This commit is contained in:
Adam Jackson
2006-04-07 01:18:01 +00:00
parent 53e97ce4dd
commit 536628bb4b
2 changed files with 9 additions and 2 deletions
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5
ChangeLog
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@@ -1,3 +1,8 @@
2006-04-06 Adam Jackson <ajax@freedesktop.org>
* hw/dmx/dmxextension.c:
Coverity #1037: Sanity check idx before use.
2006-04-06 Adam Jackson <ajax@freedesktop.org>
* Makefile.am:

6
hw/dmx/dmxextension.c
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@@ -1062,8 +1062,8 @@ static Bool dmxCompareScreens(DMXScreenInfo *new, DMXScreenInfo *old)
/** Reattach previously detached back-end screen. */
int dmxAttachScreen(int idx, DMXScreenAttributesPtr attr)
{
ScreenPtr pScreen = screenInfo.screens[idx];
DMXScreenInfo *dmxScreen = &dmxScreens[idx];
ScreenPtr pScreen;
DMXScreenInfo *dmxScreen;
CARD32 scrnNum = idx;
DMXScreenInfo oldDMXScreen;
int i;
@@ -1083,6 +1083,8 @@ int dmxAttachScreen(int idx, DMXScreenAttributesPtr attr)
/* Cannot add a screen that does not exist */
if (idx < 0 || idx >= dmxNumScreens) return 1;
pScreen = screenInfo.screens[idx];
dmxScreen = &dmxScreens[idx];
/* Cannot attach to a screen that is already opened */
if (dmxScreen->beDisplay) {