Blame SOURCES/0125-basic-add-fallback-in-chase_symlinks_and_opendir-for.patch
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From 47c0c5108b39d01283ba040c41d556b160d45a55 Mon Sep 17 00:00:00 2001
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From: Michal Sekletar <msekleta@redhat.com>
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Date: Wed, 30 Nov 2022 18:01:01 +0100
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Subject: [PATCH] basic: add fallback in chase_symlinks_and_opendir() for cases
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when /proc is not mounted
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rhel-only
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Related: #2138081
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---
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src/basic/chase-symlinks.c | 14 +++++++++++---
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1 file changed, 11 insertions(+), 3 deletions(-)
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diff --git a/src/basic/chase-symlinks.c b/src/basic/chase-symlinks.c
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index afab54f067..c09aab389e 100644
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--- a/src/basic/chase-symlinks.c
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+++ b/src/basic/chase-symlinks.c
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@@ -466,14 +466,22 @@ int chase_symlinks_and_opendir(
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return 0;
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}
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- r = chase_symlinks(path, root, chase_flags, ret_path ? &p : NULL, &path_fd);
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+ r = chase_symlinks(path, root, chase_flags, &p, &path_fd);
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if (r < 0)
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return r;
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assert(path_fd >= 0);
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d = opendir(FORMAT_PROC_FD_PATH(path_fd));
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- if (!d)
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- return -errno;
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+ if (!d) {
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+ /* Hmm, we have the fd already but we got ENOENT, most likely /proc is not mounted.
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+ * Let's try opendir() again on the full path. */
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+ if (errno == ENOENT) {
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+ d = opendir(p);
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+ if (!d)
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+ return -errno;
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+ } else
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+ return -errno;
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+ }
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if (ret_path)
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*ret_path = TAKE_PTR(p);
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