From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Fri, 6 Dec 2019 10:55:20 +0000 (+0100)
Subject: shared/efi-loader: add some debugging statements
X-Git-Tag: v245-rc1~261^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a97abb30e7ebaf5cfa07e3815909d7c0c4416e6c;p=thirdparty%2Fsystemd.git

shared/efi-loader: add some debugging statements

Should make it easier to figure out why some operations fail...
---

diff --git a/src/shared/efi-loader.c b/src/shared/efi-loader.c
index 3d1df09907f..108f31d502b 100644
--- a/src/shared/efi-loader.c
+++ b/src/shared/efi-loader.c
@@ -562,17 +562,20 @@ int efi_loader_get_boot_usec(usec_t *firmware, usec_t *loader) {
 
         r = read_usec(EFI_VENDOR_LOADER, "LoaderTimeInitUSec", &x);
         if (r < 0)
-                return r;
+                return log_debug_errno(r, "Failed to read LoaderTimeInitUSec: %m");
 
         r = read_usec(EFI_VENDOR_LOADER, "LoaderTimeExecUSec", &y);
         if (r < 0)
-                return r;
+                return log_debug_errno(r, "Failed to read LoaderTimeExecUSec: %m");
 
         if (y == 0 || y < x)
-                return -EIO;
+                return log_debug_errno(SYNTHETIC_ERRNO(EIO),
+                                       "Bad LoaderTimeInitUSec=%"PRIu64", LoaderTimeExecUSec=%" PRIu64"; refusing.",
+                                       x, y);
 
         if (y > USEC_PER_HOUR)
-                return -EIO;
+                return log_debug_errno(SYNTHETIC_ERRNO(EIO),
+                                       "LoaderTimeExecUSec=%"PRIu64" too large, refusing.", x);
 
         *firmware = x;
         *loader = y;