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Use routines from the recently added devpath.c.

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These efipart layer did several devpath related operations inline.  This
just switches it over to using shared code for working with device paths.

Sponsored by:	Cisco Systems
This commit is contained in:
John Baldwin 2016-05-26 22:13:40 +00:00
parent ef94ebfc88
commit e06f8144fb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=300785
1 changed files with 4 additions and 19 deletions
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23
sys/boot/efi/libefi/efipart.c
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@ -39,7 +39,6 @@ __FBSDID("$FreeBSD$");
#include <efiprot.h>
static EFI_GUID blkio_guid = BLOCK_IO_PROTOCOL;
static EFI_GUID devpath_guid = DEVICE_PATH_PROTOCOL;
static int efipart_init(void);
static int efipart_strategy(void *, int, daddr_t, size_t, size_t, char *,
@ -85,7 +84,6 @@ efipart_init(void)
UINTN sz;
u_int n, nin, nout;
int err;
size_t devpathlen;
sz = 0;
hin = NULL;
@ -112,20 +110,11 @@ efipart_init(void)
return (ENOMEM);
for (n = 0; n < nin; n++) {
status = BS->HandleProtocol(hin[n], &devpath_guid,
(void **)&devpath);
if (EFI_ERROR(status)) {
devpath = efi_lookup_devpath(hin[n]);
if (devpath == NULL) {
continue;
}
node = devpath;
devpathlen = DevicePathNodeLength(node);
while (!IsDevicePathEnd(NextDevicePathNode(node))) {
node = NextDevicePathNode(node);
devpathlen += DevicePathNodeLength(node);
}
devpathlen += DevicePathNodeLength(NextDevicePathNode(node));
status = BS->HandleProtocol(hin[n], &blkio_guid,
(void**)&blkio);
if (EFI_ERROR(status))
@ -140,14 +129,10 @@ efipart_init(void)
* we try to find the parent device and add that instead as
* that will be the CD filesystem.
*/
node = efi_devpath_last_node(devpath);
if (DevicePathType(node) == MEDIA_DEVICE_PATH &&
DevicePathSubType(node) == MEDIA_CDROM_DP) {
devpathcpy = malloc(devpathlen);
memcpy(devpathcpy, devpath, devpathlen);
node = devpathcpy;
while (!IsDevicePathEnd(NextDevicePathNode(node)))
node = NextDevicePathNode(node);
SetDevicePathEndNode(node);
devpathcpy = efi_devpath_trim(devpath);
tmpdevpath = devpathcpy;
status = BS->LocateDevicePath(&blkio_guid, &tmpdevpath,
&handle);