diff options
| -rw-r--r-- | src/glx/XF86dri.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/glx/XF86dri.c b/src/glx/XF86dri.c index b1cdc9b2865..8f53bd71953 100644 --- a/src/glx/XF86dri.c +++ b/src/glx/XF86dri.c @@ -43,6 +43,7 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #include <X11/extensions/Xext.h> #include <X11/extensions/extutil.h> #include "xf86dristr.h" +#include <limits.h> static XExtensionInfo _xf86dri_info_data; static XExtensionInfo *xf86dri_info = &_xf86dri_info_data; @@ -201,7 +202,11 @@ XF86DRIOpenConnection(Display * dpy, int screen, drm_handle_t * hSAREA, } if (rep.length) { - if (!(*busIdString = calloc(rep.busIdStringLength + 1, 1))) { + if (rep.busIdStringLength < INT_MAX) + *busIdString = calloc(rep.busIdStringLength + 1, 1); + else + *busIdString = NULL; + if (*busIdString == NULL) { _XEatData(dpy, ((rep.busIdStringLength + 3) & ~3)); UnlockDisplay(dpy); SyncHandle(); |