commit 63d261cb0d87bef033c447654279c62f586af1da
author Hervé Poussineau <hpoussin@reactos.org> Sat Jul 15 15:28:39 2017 +0200
committer Kevin Wolf <kwolf@redhat.com> Tue Jul 18 15:14:36 2017 +0200
tree c04ff083d8495df0267f4c99f45a27363ee5329f
parent 8c4517fd6e52de87c2e06dbb392a87eecc79d9e2

vvfat: add a constant for bootsector name

Also add links to related compatibility problems.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

block/vvfat.c

diff --git a/block/vvfat.c b/block/vvfat.c
index eb266b5..36b4be9 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -71,6 +71,12 @@
 
 #endif
 
+/* bootsector OEM name. see related compatibility problems at:
+ * https://jdebp.eu/FGA/volume-boot-block-oem-name-field.html
+ * http://seasip.info/Misc/oemid.html
+ */
+#define BOOTSECTOR_OEM_NAME "MSWIN4.1"
+
 #define DIR_DELETED 0xe5
 #define DIR_KANJI DIR_DELETED
 #define DIR_KANJI_FAKE 0x05
@@ -1028,7 +1034,7 @@
     bootsector->jump[0]=0xeb;
     bootsector->jump[1]=0x3e;
     bootsector->jump[2]=0x90;
-    memcpy(bootsector->name, "MSWIN4.1", 8);
+    memcpy(bootsector->name, BOOTSECTOR_OEM_NAME, 8);
     bootsector->sector_size=cpu_to_le16(0x200);
     bootsector->sectors_per_cluster=s->sectors_per_cluster;
     bootsector->reserved_sectors=cpu_to_le16(1);