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[Qemu-devel] [PATCH] sdl2: add checking for NULL
From: |
Pavel Dovgalyuk |
Subject: |
[Qemu-devel] [PATCH] sdl2: add checking for NULL |
Date: |
Tue, 26 Jun 2018 09:47:29 +0300 |
User-agent: |
StGit/0.17.1-dirty |
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 <address@hidden>
Signed-off-by: Maria Klimushenkova <address@hidden>
---
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;
}
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