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efi_loader: fix dp_fill() for BLKMAP, HOST, VIRTIO

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Do not assume that the preceding device path contains a single VenHW node.
Instead use the return value of dp_fill() which provides the address of the
next node.

Fixes: 23ad52fff4 ("efi_loader: device_path: support Sandbox's "host" devices")
Fixes: 19ecced71c ("efi_loader: device path for virtio block devices")
Fixes: 272ec6b453 ("efi_loader: device_path: support blkmap devices")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Heinrich Schuchardt
2023-07-19 16:49:46 +02:00
parent 4f399f277c
commit dc7a2f1d9f
1 changed files with 3 additions and 9 deletions
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12
lib/efi_loader/efi_device_path.c
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@@ -631,9 +631,7 @@ __maybe_unused static void *dp_fill(void *buf, struct udevice *dev)
struct efi_device_path_vendor *dp;
struct blk_desc *desc = dev_get_uclass_plat(dev);
dp_fill(buf, dev->parent);
dp = buf;
++dp;
dp = dp_fill(buf, dev->parent);
dp->dp.type = DEVICE_PATH_TYPE_HARDWARE_DEVICE;
dp->dp.sub_type = DEVICE_PATH_SUB_TYPE_VENDOR;
dp->dp.length = sizeof(*dp) + 1;
@@ -649,9 +647,7 @@ __maybe_unused static void *dp_fill(void *buf, struct udevice *dev)
struct efi_device_path_vendor *dp;
struct blk_desc *desc = dev_get_uclass_plat(dev);
dp_fill(buf, dev->parent);
dp = buf;
++dp;
dp = dp_fill(buf, dev->parent);
dp->dp.type = DEVICE_PATH_TYPE_HARDWARE_DEVICE;
dp->dp.sub_type = DEVICE_PATH_SUB_TYPE_VENDOR;
dp->dp.length = sizeof(*dp) + 1;
@@ -666,9 +662,7 @@ __maybe_unused static void *dp_fill(void *buf, struct udevice *dev)
struct efi_device_path_vendor *dp;
struct blk_desc *desc = dev_get_uclass_plat(dev);
dp_fill(buf, dev->parent);
dp = buf;
++dp;
dp = dp_fill(buf, dev->parent);
dp->dp.type = DEVICE_PATH_TYPE_HARDWARE_DEVICE;
dp->dp.sub_type = DEVICE_PATH_SUB_TYPE_VENDOR;
dp->dp.length = sizeof(*dp) + 1;