[PATCH] winex11.drv: Do not call old_error_handler if it is NULL.
Giovanni Mascellani
gmascellani at codeweavers.com
Fri Feb 12 05:58:00 CST 2021
Signed-off-by: Giovanni Mascellani <gmascellani at codeweavers.com>
---
dlls/winex11.drv/x11drv_main.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/dlls/winex11.drv/x11drv_main.c b/dlls/winex11.drv/x11drv_main.c
index 9ec4c7a98f6..58fab96c034 100644
--- a/dlls/winex11.drv/x11drv_main.c
+++ b/dlls/winex11.drv/x11drv_main.c
@@ -304,7 +304,10 @@ static int error_handler( Display *display, XErrorEvent *error_evt )
error_evt->serial, error_evt->request_code );
DebugBreak(); /* force an entry in the debugger */
}
- old_error_handler( display, error_evt );
+ /* Xlib never returns a NULL previous error handler, but other
+ implementations, like Steam's overlay, do. */
+ if (old_error_handler)
+ old_error_handler( display, error_evt );
return 0;
}
--
2.30.0
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