33 lines
1.1 KiB
Diff
33 lines
1.1 KiB
Diff
From 99a1035c5243535f8ca01aec3b28c09405d09184 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Fri, 11 Nov 2016 10:54:54 -0500
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Subject: [PATCH] basic/virt: fix userns check on CONFIG_USER_NS=n kernel
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(#4651)
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ENOENT should be treated as "false", but because of the broken errno check it
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was treated as an error. So ConditionVirtualization=user-namespaces probably
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returned the correct answer, but only by accident.
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Fixes #4608.
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(cherry picked from commit abd67ce74858491565cde157c7b08fda43d3279c)
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---
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src/basic/virt.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/basic/virt.c b/src/basic/virt.c
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index 69b0f96183..d8d57381ad 100644
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--- a/src/basic/virt.c
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+++ b/src/basic/virt.c
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@@ -496,7 +496,7 @@ static int userns_has_mapping(const char *name) {
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f = fopen(name, "re");
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if (!f) {
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log_debug_errno(errno, "Failed to open %s: %m", name);
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- return errno == -ENOENT ? false : -errno;
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+ return errno == ENOENT ? false : -errno;
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}
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n = getline(&buf, &n_allocated, f);
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--
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2.9.3
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