From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39572) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fXhlE-00061i-2f for qemu-devel@nongnu.org; Tue, 26 Jun 2018 02:47:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fXhlB-0008T4-0d for qemu-devel@nongnu.org; Tue, 26 Jun 2018 02:47:32 -0400 Received: from mail.ispras.ru ([83.149.199.45]:34066) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fXhlA-0008Sn-NK for qemu-devel@nongnu.org; Tue, 26 Jun 2018 02:47:28 -0400 From: Pavel Dovgalyuk Date: Tue, 26 Jun 2018 09:47:29 +0300 Message-ID: <20180626064729.18070.47600.stgit@pasha-VirtualBox> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] [PATCH] sdl2: add checking for NULL List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: maria.klimushenkova@ispras.ru, dovgaluk@ispras.ru, kraxel@redhat.com, pavel.dovgaluk@ispras.ru Sometimes SDL2 console can't be retrieved on events and scon variable becomes NULL. This patch prevents processing of the events when the console is not available. Signed-off-by: Pavel Dovgalyuk Signed-off-by: Maria Klimushenkova --- ui/sdl2.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/ui/sdl2.c b/ui/sdl2.c index 3fff9f5..76e5942 100644 --- a/ui/sdl2.c +++ b/ui/sdl2.c @@ -438,7 +438,7 @@ static void handle_mousemotion(SDL_Event *ev) int max_x, max_y; struct sdl2_console *scon = get_scon_from_window(ev->motion.windowID); - if (!qemu_console_is_graphic(scon->dcl.con)) { + if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { return; } @@ -470,7 +470,7 @@ static void handle_mousebutton(SDL_Event *ev) SDL_MouseButtonEvent *bev; struct sdl2_console *scon = get_scon_from_window(ev->button.windowID); - if (!qemu_console_is_graphic(scon->dcl.con)) { + if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { return; } @@ -496,7 +496,7 @@ static void handle_mousewheel(SDL_Event *ev) SDL_MouseWheelEvent *wev = &ev->wheel; InputButton btn; - if (!qemu_console_is_graphic(scon->dcl.con)) { + if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { return; }