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efi_loader: efi_dp_from_lo() don't copy GUID

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Instead of copying a GUID and then using a pointer to the copy for calling
guidcmp(), just pass the pointer to the orginal GUID.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt
2021-10-15 01:31:02 +02:00
parent ebdea88d57
commit 0421735dd8
4 changed files with 7 additions and 5 deletions
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5
lib/efi_loader/efi_device_path.c
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@@ -1218,7 +1218,8 @@ ssize_t efi_dp_check_length(const struct efi_device_path *dp,
*/
struct
efi_device_path *efi_dp_from_lo(struct efi_load_option *lo,
efi_uintn_t *size, efi_guid_t guid)
efi_uintn_t *size,
const efi_guid_t *guid)
{
struct efi_device_path *fp = lo->file_path;
struct efi_device_path_vendor *vendor;
@@ -1233,7 +1234,7 @@ efi_device_path *efi_dp_from_lo(struct efi_load_option *lo,
continue;
vendor = (struct efi_device_path_vendor *)fp;
if (!guidcmp(&vendor->guid, &guid))
if (!guidcmp(&vendor->guid, guid))
return efi_dp_dup(fp);
}
log_debug("VenMedia(%pUl) not found in %ls\n", &guid, lo->label);