Merge branch 'tmpfs-fix' into 'master'

Fix bug for missing files in /proc/driver/nvidia

See merge request nvidia/container-toolkit/libnvidia-container!100

Author: Evan Lezar

pkg/deb/changelog

@@ -1,7 +1,8 @@
 libnvidia-container (1.6.0~rc.2-1) experimental; urgency=medium
 
- -- NVIDIA CORPORATION <[email protected]>  Tue, 26 Oct 2021 12:24:22 +0200
+  * Fix bug that lead to unexected mount error when /proc/driver/nvidia does not exist on the host
 
+ -- NVIDIA CORPORATION <[email protected]>  Tue, 26 Oct 2021 12:24:22 +0200
 
 libnvidia-container (1.6.0~rc.1-1) experimental; urgency=medium
 

pkg/rpm/SPECS/libnvidia-container.spec

@@ -100,6 +100,7 @@ This package contains command-line tools that facilitate using the library.
 
 %changelog
 * Tue Oct 26 2021  NVIDIA CORPORATION <[email protected]> 1.6.0-0.1.rc.2
+- Fix bug that lead to unexected mount error when /proc/driver/nvidia does not exist on the host
 
 * Mon Sep 20 2021  NVIDIA CORPORATION <[email protected]> 1.6.0-0.1.rc.1
 - Add AARCH64 package for Amazon Linux 2

src/nvc_mount.c

@@ -351,8 +351,14 @@ mount_procfs(struct error *err, const char *root, const struct nvc_container *cn
                 if (path_append(err, dst, files[i]) < 0)
                         goto fail;
                 if (file_mode(err, src, &mode) < 0) {
-                        if (err->code == ENOENT)
+                        if (err->code == ENOENT) {
+                                log_warnf("%s not found; skipping", src);
+                                // We reset the strings to ensure that the paths are
+                                // not concatenated if one of the files is not found.
+                                *src_end = '\0';
+                                *dst_end = '\0';
                                 continue;
+                        }
                         goto fail;
                 }
                 if (file_read_text(err, src, &buf) < 0)