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virgl: Bail out on file descriptor duplication failure

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Do not try to use a negative file descriptor.

CID: 1465120 Argument cannot be negative

Signed-off-by: Corentin Noël <corentin.noel@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34816>
This commit is contained in:
Corentin Noël 2025-05-05 15:58:00 +02:00 • committed by Marge Bot
parent 965f41b550
commit 77c0ff9fc7
1 changed files with 2 additions and 0 deletions
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2
src/gallium/winsys/virgl/drm/virgl_drm_winsys.c
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@ -1364,6 +1364,8 @@ virgl_drm_screen_create(int fd, const struct pipe_screen_config *config)
} else {
struct virgl_winsys *vws;
int dup_fd = os_dupfd_cloexec(fd);
if (dup_fd < 0)
goto unlock;
vws = virgl_drm_winsys_create(dup_fd);
if (!vws) {