93 lines
3.6 KiB
Diff
93 lines
3.6 KiB
Diff
From e83002b08aa6db57b90d89968ab8d34f6c7f73cf Mon Sep 17 00:00:00 2001
|
|
From: Peter Jones <pjones@redhat.com>
|
|
Date: Mon, 17 Sep 2018 16:13:24 -0400
|
|
Subject: [PATCH 33/39] Deal with devices that don't have a ->device link in
|
|
sysfs
|
|
|
|
Signed-off-by: Peter Jones <pjones@redhat.com>
|
|
---
|
|
src/linux.c | 53 ++++++++++++++++++++++++++++++-----------------------
|
|
1 file changed, 30 insertions(+), 23 deletions(-)
|
|
|
|
diff --git a/src/linux.c b/src/linux.c
|
|
index 19eb488c992..6d405af8a76 100644
|
|
--- a/src/linux.c
|
|
+++ b/src/linux.c
|
|
@@ -389,43 +389,50 @@ struct device HIDDEN
|
|
|
|
rc = sysfs_readlink(&tmpbuf, "block/%s/device", dev->disk_name);
|
|
if (rc < 0 || !tmpbuf) {
|
|
- efi_error("readlink of /sys/block/%s/device failed",
|
|
+ debug("readlink of /sys/block/%s/device failed",
|
|
dev->disk_name);
|
|
- goto err;
|
|
+
|
|
+ dev->device = strdup("");
|
|
+ } else {
|
|
+ dev->device = strdup(tmpbuf);
|
|
}
|
|
|
|
- dev->device = strdup(tmpbuf);
|
|
if (!dev->device) {
|
|
efi_error("strdup(\"%s\") failed", tmpbuf);
|
|
goto err;
|
|
}
|
|
|
|
- rc = sysfs_readlink(&tmpbuf, "block/%s/device/driver", dev->disk_name);
|
|
- if (rc < 0 || !tmpbuf) {
|
|
- if (errno == ENOENT) {
|
|
- /*
|
|
- * nvme, for example, will have nvme0n1/device point
|
|
- * at nvme0, and we need to look for device/driver
|
|
- * there.
|
|
- */
|
|
- rc = sysfs_readlink(&tmpbuf,
|
|
- "block/%s/device/device/driver",
|
|
- dev->disk_name);
|
|
- }
|
|
+ if (dev->device[0] != 0) {
|
|
+ rc = sysfs_readlink(&tmpbuf, "block/%s/device/driver", dev->disk_name);
|
|
if (rc < 0 || !tmpbuf) {
|
|
- efi_error("readlink of /sys/block/%s/device/driver failed",
|
|
- dev->disk_name);
|
|
+ if (errno == ENOENT) {
|
|
+ /*
|
|
+ * nvme, for example, will have nvme0n1/device point
|
|
+ * at nvme0, and we need to look for device/driver
|
|
+ * there.
|
|
+ */
|
|
+ rc = sysfs_readlink(&tmpbuf,
|
|
+ "block/%s/device/device/driver",
|
|
+ dev->disk_name);
|
|
+ }
|
|
+ if (rc < 0 || !tmpbuf) {
|
|
+ efi_error("readlink of /sys/block/%s/device/driver failed",
|
|
+ dev->disk_name);
|
|
+ goto err;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ linkbuf = pathseg(tmpbuf, -1);
|
|
+ if (!linkbuf) {
|
|
+ efi_error("could not get segment -1 of \"%s\"", tmpbuf);
|
|
goto err;
|
|
}
|
|
- }
|
|
|
|
- linkbuf = pathseg(tmpbuf, -1);
|
|
- if (!linkbuf) {
|
|
- efi_error("could not get segment -1 of \"%s\"", tmpbuf);
|
|
- goto err;
|
|
+ dev->driver = strdup(linkbuf);
|
|
+ } else {
|
|
+ dev->driver = strdup("");
|
|
}
|
|
|
|
- dev->driver = strdup(linkbuf);
|
|
if (!dev->driver) {
|
|
efi_error("strdup(\"%s\") failed", linkbuf);
|
|
goto err;
|
|
--
|
|
2.17.1
|
|
|