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Tsirkin" , Gerd Hoffmann , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Cc: qemu-devel@nongnu.org Subject: [PATCH v2] virtio-gpu: Correct virgl_renderer_resource_get_info() error check Date: Mon, 29 Jan 2024 10:39:21 +0300 Message-ID: <20240129073921.446869-1-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.43.0 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=46.235.227.194; envelope-from=dmitry.osipenko@collabora.com; helo=madrid.collaboradmins.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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 @collabora.com) X-ZM-MESSAGEID: 1706514053961100001 virgl_renderer_resource_get_info() returns errno and not -1 on error. Correct the return-value check. Reviewed-by: Marc-Andr=C3=A9 Lureau Signed-off-by: Dmitry Osipenko --- v2: - Fixed similar incorrect error-checking in vhost-user-gpu - Added r-b from Marc contrib/vhost-user-gpu/virgl.c | 6 +++--- hw/display/virtio-gpu-virgl.c | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/contrib/vhost-user-gpu/virgl.c b/contrib/vhost-user-gpu/virgl.c index d1ccdf7d0668..51da0e3667f9 100644 --- a/contrib/vhost-user-gpu/virgl.c +++ b/contrib/vhost-user-gpu/virgl.c @@ -327,7 +327,7 @@ virgl_get_resource_info_modifiers(uint32_t resource_id, #ifdef VIRGL_RENDERER_RESOURCE_INFO_EXT_VERSION struct virgl_renderer_resource_info_ext info_ext; ret =3D virgl_renderer_resource_get_info_ext(resource_id, &info_ext); - if (ret < 0) { + if (ret) { return ret; } =20 @@ -335,7 +335,7 @@ virgl_get_resource_info_modifiers(uint32_t resource_id, *modifiers =3D info_ext.modifiers; #else ret =3D virgl_renderer_resource_get_info(resource_id, info); - if (ret < 0) { + if (ret) { return ret; } =20 @@ -372,7 +372,7 @@ virgl_cmd_set_scanout(VuGpu *g, uint64_t modifiers =3D 0; ret =3D virgl_get_resource_info_modifiers(ss.resource_id, &info, &modifiers); - if (ret =3D=3D -1) { + if (ret) { g_critical("%s: illegal resource specified %d\n", __func__, ss.resource_id); cmd->error =3D VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c index 8bb7a2c21fe7..9f34d0e6619c 100644 --- a/hw/display/virtio-gpu-virgl.c +++ b/hw/display/virtio-gpu-virgl.c @@ -181,7 +181,7 @@ static void virgl_cmd_set_scanout(VirtIOGPU *g, memset(&info, 0, sizeof(info)); ret =3D virgl_renderer_resource_get_info(ss.resource_id, &info); #endif - if (ret =3D=3D -1) { + if (ret) { qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", __func__, ss.resource_id); --=20 2.43.0