From 1cfe89e3d4a51bbad4b010c794501fffd0dca356 Mon Sep 17 00:00:00 2001
From: Rob Clark <robdclark@chromium.org>
Date: Mon, 5 May 2025 14:03:02 -0700
Subject: [PATCH] tu/virtio: Use util_get_command_line() helper

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34846>
---
 src/freedreno/vulkan/tu_knl_drm_virtio.cc | 19 +++----------------
 1 file changed, 3 insertions(+), 16 deletions(-)

diff --git a/src/freedreno/vulkan/tu_knl_drm_virtio.cc b/src/freedreno/vulkan/tu_knl_drm_virtio.cc
index dcc8de2bd5c..67cc88906bf 100644
--- a/src/freedreno/vulkan/tu_knl_drm_virtio.cc
+++ b/src/freedreno/vulkan/tu_knl_drm_virtio.cc
@@ -139,24 +139,11 @@ static void
 set_debuginfo(struct tu_device *dev)
 {
    const char *comm = util_get_process_name();
-   static char cmdline[0x1000+1];
-   int fd = open("/proc/self/cmdline", O_RDONLY);
-   if (fd < 0)
+   static char cmdline[0x1000];
+
+   if (!comm || !util_get_command_line(cmdline, sizeof(cmdline)))
       return;
 
-   int n = read(fd, cmdline, sizeof(cmdline) - 1);
-   if (n < 0)
-      return;
-
-   /* arguments are separated by NULL, convert to spaces: */
-   for (int i = 0; i < n; i++) {
-      if (cmdline[i] == '\0') {
-         cmdline[i] = ' ';
-      }
-   }
-
-   cmdline[n] = '\0';
-
    unsigned comm_len = strlen(comm) + 1;
    unsigned cmdline_len = strlen(cmdline) + 1;