[syslinux:master] diskio: Support EDD 4 16-byte device paths

[syslinux-bot for H. Peter Anvin]

Commit-ID:  808d43ea43c9df30a0a6922ef4cb4678634d41ab
Gitweb:     http://syslinux.zytor.com/commit/808d43ea43c9df30a0a6922ef4cb4678634d41ab
Author:     H. Peter Anvin <hpa at linux.intel.com>
AuthorDate: Mon, 17 Jan 2011 11:54:45 -0800
Committer:  H. Peter Anvin <hpa at linux.intel.com>
CommitDate: Mon, 17 Jan 2011 11:54:45 -0800

diskio: Support EDD 4 16-byte device paths

EDD 4 has 16-byte device path information.  Make the EDD buffer big
enough to capture that.  Note that the location of the device path
checksum actually depends on the device path length information field!

Signed-off-by: H. Peter Anvin <hpa at linux.intel.com>


---
 core/fs/diskio.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/fs/diskio.c b/core/fs/diskio.c
index 06bbe4f..6683816 100644
--- a/core/fs/diskio.c
+++ b/core/fs/diskio.c
@@ -280,9 +280,9 @@ struct edd_disk_params {
     char      bus_type[4];
     char      if_type[8];
     uint8_t   if_path[8];
-    uint8_t   dev_path[8];
+    uint8_t   dev_path[16];
     uint8_t   _pad2;
-    uint8_t   devpath_csum;
+    uint8_t   devpath_csum;	/* Depends on devpath_len! */
 } __attribute__((packed));
 
 static inline bool is_power_of_2(uint32_t x)