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-rw-r--r--nx-X11/programs/Xserver/dbe/dbe.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/nx-X11/programs/Xserver/dbe/dbe.c b/nx-X11/programs/Xserver/dbe/dbe.c
index c0d6131b7..5a1e9b00b 100644
--- a/nx-X11/programs/Xserver/dbe/dbe.c
+++ b/nx-X11/programs/Xserver/dbe/dbe.c
@@ -725,8 +725,8 @@ ProcDbeSwapBuffers(client)
DbeSwapInfoPtr swapInfo;
xDbeSwapInfo *dbeSwapInfo;
int error;
- register int i, j;
- int nStuff;
+ unsigned int i, j;
+ unsigned int nStuff;
REQUEST_AT_LEAST_SIZE(xDbeSwapBuffersReq);
@@ -734,11 +734,13 @@ ProcDbeSwapBuffers(client)
if (nStuff == 0)
{
+ REQUEST_SIZE_MATCH(xDbeSwapBuffersReq);
return(Success);
}
if (nStuff > UINT32_MAX / sizeof(DbeSwapInfoRec))
return BadAlloc;
+ REQUEST_FIXED_SIZE(xDbeSwapBuffersReq, nStuff * sizeof(xDbeSwapInfo));
/* Get to the swap info appended to the end of the request. */
dbeSwapInfo = (xDbeSwapInfo *)&stuff[1];
@@ -1289,7 +1291,7 @@ SProcDbeSwapBuffers(client)
ClientPtr client;
{
REQUEST(xDbeSwapBuffersReq);
- register int i, n;
+ unsigned int i, n;
xDbeSwapInfo *pSwapInfo;
@@ -1297,6 +1299,9 @@ SProcDbeSwapBuffers(client)
REQUEST_AT_LEAST_SIZE(xDbeSwapBuffersReq);
swapl(&stuff->n, n);
+ if (stuff->n > UINT32_MAX / sizeof(DbeSwapInfoRec))
+ return BadAlloc;
+ REQUEST_FIXED_SIZE(xDbeSwapBuffersReq, stuff->n * sizeof(xDbeSwapInfo));
if (stuff->n != 0)
{