diff options
| author | Dongwon Kim <dongwon.kim@intel.com> | 2024-05-08 10:53:58 -0700 |
|---|---|---|
| committer | Michael Tokarev <mjt@tls.msk.ru> | 2024-05-27 07:37:34 +0300 |
| commit | bbfe1d4e8b0a46ccde5039aca9355f8b7fd18ae5 (patch) | |
| tree | bec96271582bc0961b8a2b88a41ab6f886ea6e2a /ui | |
| parent | ba27e719763673057a3aa9a2581272cdbedb7f6c (diff) | |
ui/gtk: Check if fence_fd is equal to or greater than 0
'fence_fd' needs to be validated always before being referenced
And the passing condition should include '== 0' as 0 is a valid
value for the file descriptor.
Suggested-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Cc: Philippe Mathieu-Daudé <philmd@linaro.org>
Cc: Daniel P. Berrangé <berrange@redhat.com>
Cc: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Dongwon Kim <dongwon.kim@intel.com>
Message-Id: <20240508175403.3399895-2-dongwon.kim@intel.com>
(cherry picked from commit e4e62514e3cc2fc9dbae44af8b80f61c730beab4)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Diffstat (limited to 'ui')
| -rw-r--r-- | ui/gtk-egl.c | 2 | ||||
| -rw-r--r-- | ui/gtk-gl-area.c | 2 | ||||
| -rw-r--r-- | ui/gtk.c | 10 |
3 files changed, 8 insertions, 6 deletions
diff --git a/ui/gtk-egl.c b/ui/gtk-egl.c index 3af5ac5bcf..955234429d 100644 --- a/ui/gtk-egl.c +++ b/ui/gtk-egl.c @@ -99,7 +99,7 @@ void gd_egl_draw(VirtualConsole *vc) #ifdef CONFIG_GBM if (dmabuf) { egl_dmabuf_create_fence(dmabuf); - if (dmabuf->fence_fd > 0) { + if (dmabuf->fence_fd >= 0) { qemu_set_fd_handler(dmabuf->fence_fd, gd_hw_gl_flushed, NULL, vc); return; } diff --git a/ui/gtk-gl-area.c b/ui/gtk-gl-area.c index 52dcac161e..7fffd0544e 100644 --- a/ui/gtk-gl-area.c +++ b/ui/gtk-gl-area.c @@ -86,7 +86,7 @@ void gd_gl_area_draw(VirtualConsole *vc) #ifdef CONFIG_GBM if (dmabuf) { egl_dmabuf_create_fence(dmabuf); - if (dmabuf->fence_fd > 0) { + if (dmabuf->fence_fd >= 0) { qemu_set_fd_handler(dmabuf->fence_fd, gd_hw_gl_flushed, NULL, vc); return; } @@ -597,10 +597,12 @@ void gd_hw_gl_flushed(void *vcon) VirtualConsole *vc = vcon; QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf; - qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL); - close(dmabuf->fence_fd); - dmabuf->fence_fd = -1; - graphic_hw_gl_block(vc->gfx.dcl.con, false); + if (dmabuf->fence_fd >= 0) { + qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL); + close(dmabuf->fence_fd); + dmabuf->fence_fd = -1; + graphic_hw_gl_block(vc->gfx.dcl.con, false); + } } /** DisplayState Callbacks (opengl version) **/ |