X-Git-Url: https://git.sven.stormbind.net/?p=sven%2Fexfatprogs.git;a=blobdiff_plain;f=dump%2Fdump.c;fp=dump%2Fdump.c;h=3d77bb9b094d1f3fc31585ba89b75647f48025d7;hp=7ede5508cf8dd839b258951c0862281f5d46a83a;hb=03290761e3849db9b13d2d3b176b36ab31c395bb;hpb=dcb4e80c267579d1a68e3f34f6b750e2940dbcc2

diff --git a/dump/dump.c b/dump/dump.c
index 7ede550..3d77bb9 100644
--- a/dump/dump.c
+++ b/dump/dump.c
@@ -90,6 +90,12 @@ static int exfat_show_ondisk_all_info(struct exfat_blk_dev *bd)
 		goto free_ppbr;
 	}
 
+	if (memcmp(ppbr->bpb.oem_name, "EXFAT   ", 8) != 0) {
+		exfat_err("Bad fs_name in boot sector, which does not describe a valid exfat filesystem\n");
+		ret = -EINVAL;
+		goto free_ppbr;
+	}
+
 	pbsx = &ppbr->bsx;
 
 	if (pbsx->sect_size_bits < EXFAT_MIN_SECT_SIZE_BITS ||