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a="14887676" X-IronPort-AV: E=Sophos;i="6.08,145,1712646000"; d="scan'208";a="14887676" X-CSE-ConnectionGUID: i32KZBE7THWtTwIxjtg+9g== X-CSE-MsgGUID: gu7W2QU1RvOCWk+6ojGLhw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,145,1712646000"; d="scan'208";a="29541301" From: dongwon.kim@intel.com To: qemu-devel@nongnu.org Cc: marcandre.lureau@redhat.com, philmd@linaro.org, berrange@redhat.com Subject: [PATCH v14 1/6] ui/gtk: Check if fence_fd is equal to or greater than 0 Date: Wed, 8 May 2024 10:53:58 -0700 Message-Id: <20240508175403.3399895-2-dongwon.kim@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240508175403.3399895-1-dongwon.kim@intel.com> References: <20240508175403.3399895-1-dongwon.kim@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=198.175.65.14; envelope-from=dongwon.kim@intel.com; helo=mgamail.intel.com X-Spam_score_int: -49 X-Spam_score: -5.0 X-Spam_bar: ----- X-Spam_report: (-5.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.582, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1715191261194100001 From: Dongwon Kim 'fence_fd' needs to be validated always before being referenced And the passing condition should include '=3D=3D 0' as 0 is a valid value for the file descriptor. Suggested-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Daniel P. Berrang=C3=A9 Cc: Philippe Mathieu-Daud=C3=A9 Cc: Daniel P. Berrang=C3=A9 Cc: Vivek Kasireddy Signed-off-by: Dongwon Kim --- ui/gtk-egl.c | 2 +- ui/gtk-gl-area.c | 2 +- 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 >=3D 0) { qemu_set_fd_handler(dmabuf->fence_fd, gd_hw_gl_flushed, NU= LL, 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 >=3D 0) { qemu_set_fd_handler(dmabuf->fence_fd, gd_hw_gl_flushed, NU= LL, vc); return; } diff --git a/ui/gtk.c b/ui/gtk.c index 810d7fc796..7819a86321 100644 --- a/ui/gtk.c +++ b/ui/gtk.c @@ -597,10 +597,12 @@ void gd_hw_gl_flushed(void *vcon) VirtualConsole *vc =3D vcon; QemuDmaBuf *dmabuf =3D vc->gfx.guest_fb.dmabuf; =20 - qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL); - close(dmabuf->fence_fd); - dmabuf->fence_fd =3D -1; - graphic_hw_gl_block(vc->gfx.dcl.con, false); + if (dmabuf->fence_fd >=3D 0) { + qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL); + close(dmabuf->fence_fd); + dmabuf->fence_fd =3D -1; + graphic_hw_gl_block(vc->gfx.dcl.con, false); + } } =20 /** DisplayState Callbacks (opengl version) **/ --=20 2.34.1