efivar/SOURCES/0059-Put-some-EFI-device-paths-into-the-debug-log.patch
2021-09-09 16:19:47 +00:00

73 lines
1.6 KiB
Diff

From effecb5ce0baf2fae011dd61e45852cd2fb1ec19 Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Tue, 15 Oct 2019 16:58:19 -0400
Subject: [PATCH 59/63] Put some EFI device paths into the debug log
Signed-off-by: Peter Jones <pjones@redhat.com>
---
src/linux.c | 41 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/src/linux.c b/src/linux.c
index 7dd8d4cd858..9d8480a94a9 100644
--- a/src/linux.c
+++ b/src/linux.c
@@ -336,6 +336,44 @@ device_free(struct device *dev)
free(dev);
}
+static void
+print_dev_dp_node(struct device *dev, struct dev_probe *probe)
+{
+ ssize_t dpsz;
+ uint8_t *dp;
+ ssize_t bufsz;
+ uint8_t *buf;
+
+ dpsz = probe->create(dev, NULL, 0, 0);
+ if (dpsz <= 0)
+ return;
+
+ dp = alloca(dpsz + 4);
+ if (!dp)
+ return;
+
+ dpsz = probe->create(dev, dp, dpsz, 0);
+ if (dpsz <= 0)
+ return;
+
+ efidp_make_end_entire(dp + dpsz, 4);
+ bufsz = efidp_format_device_path(NULL, 0,
+ (const_efidp)dp, dpsz + 4);
+ if (bufsz <= 0)
+ return;
+
+ buf = alloca(bufsz);
+ if (!buf)
+ return;
+
+ bufsz = efidp_format_device_path(buf, bufsz,
+ (const_efidp)dp, dpsz + 4);
+ if (bufsz <= 0)
+ return;
+
+ debug("Device path node is %s", buf);
+}
+
struct device HIDDEN
*device_get(int fd, int partition)
{
@@ -512,6 +550,9 @@ struct device HIDDEN
probe->flags & DEV_ABBREV_ONLY)
needs_root = false;
+ if (probe->create)
+ print_dev_dp_node(dev, probe);
+
dev->probes[n++] = dev_probes[i];
current += pos;
if (current[0] == '\0')
--
2.26.2