47 lines
1.3 KiB
Diff
47 lines
1.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Vladimir Serbinenko <phcoder@gmail.com>
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Date: Mon, 7 Aug 2017 18:05:17 +0200
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Subject: [PATCH] mkrescue: Check xorriso presence before doing anything else.
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mkrescue can't do anything useful without xorriso, so abort early if it's
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not available.
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---
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util/grub-mkrescue.c | 9 ++++++++-
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1 file changed, 8 insertions(+), 1 deletion(-)
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diff --git a/util/grub-mkrescue.c b/util/grub-mkrescue.c
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index 238d4840e2f..38f1543974e 100644
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--- a/util/grub-mkrescue.c
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+++ b/util/grub-mkrescue.c
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@@ -323,6 +323,7 @@ check_xorriso (const char *val)
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char *buf = NULL;
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size_t len = 0;
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int ret = 0;
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+ int wstatus = 0;
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argv[0] = xorriso;
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argv[1] = "-as";
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@@ -347,8 +348,10 @@ check_xorriso (const char *val)
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}
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close (fd);
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- waitpid (pid, NULL, 0);
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+ waitpid (pid, &wstatus, 0);
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free (buf);
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+ if (!WIFEXITED (wstatus) || WEXITSTATUS(wstatus) != 0)
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+ return 0;
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return ret;
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}
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@@ -478,6 +481,10 @@ main (int argc, char *argv[])
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if (!output_image)
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grub_util_error ("%s", _("output file must be specified"));
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+ if (!check_xorriso ("graft-points")) {
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+ grub_util_error ("%s", _("xorriso not found"));
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+ }
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+
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grub_init_all ();
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grub_hostfs_init ();
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grub_host_init ();
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