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authorJiri Kosina <jkosina@suse.cz>2008-05-06 18:57:55 +0400
committerJiri Kosina <jkosina@suse.cz>2008-05-06 18:57:55 +0400
commit7022b15e2a9f878fd5184586064c63352c3dd225 (patch)
tree5365c2f5bc82ae1946636ee8d5cd5d3b7e804f1b /fs/partitions/msdos.c
parentaaad2b0c757f3e6e02552cb0bdcd91a5ec0d6305 (diff)
parenta15306365a16380f3bafee9e181ba01231d4acd7 (diff)
downloadlinux-7022b15e2a9f878fd5184586064c63352c3dd225.tar.xz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/partitions/msdos.c')
-rw-r--r--fs/partitions/msdos.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/fs/partitions/msdos.c b/fs/partitions/msdos.c
index 5567ec0d03a3..796511886f28 100644
--- a/fs/partitions/msdos.c
+++ b/fs/partitions/msdos.c
@@ -18,7 +18,7 @@
*
* Re-organised Feb 1998 Russell King
*/
-
+#include <linux/msdos_fs.h>
#include "check.h"
#include "msdos.h"
@@ -419,6 +419,7 @@ int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
Sector sect;
unsigned char *data;
struct partition *p;
+ struct fat_boot_sector *fb;
int slot;
data = read_dev_sector(bdev, 0, &sect);
@@ -444,8 +445,21 @@ int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
p = (struct partition *) (data + 0x1be);
for (slot = 1; slot <= 4; slot++, p++) {
if (p->boot_ind != 0 && p->boot_ind != 0x80) {
- put_dev_sector(sect);
- return 0;
+ /*
+ * Even without a valid boot inidicator value
+ * its still possible this is valid FAT filesystem
+ * without a partition table.
+ */
+ fb = (struct fat_boot_sector *) data;
+ if (slot == 1 && fb->reserved && fb->fats
+ && fat_valid_media(fb->media)) {
+ printk("\n");
+ put_dev_sector(sect);
+ return 1;
+ } else {
+ put_dev_sector(sect);
+ return 0;
+ }
}
}