From: Sergey Vlasov Date: Tue, 10 Apr 2007 15:59:46 +0000 (-0400) Subject: blkid: Fix MD 0.90 superblock detection on little endian systems X-Git-Tag: E2FSPROGS-1_40~58 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b8be16e3ac9c5fc350ea25d864df7bb6e2f6f4c;p=thirdparty%2Fe2fsprogs.git blkid: Fix MD 0.90 superblock detection on little endian systems MD 0.90 superblock format is host endian - need to check for bith big endian and little endian magic. Without this change MD components created on little endian systems were not detected as such, which could then lead to false positives when detecting filesystems. Signed-off-by: Sergey Vlasov Signed-off-by: Dmitry V. Levin --- diff --git a/lib/blkid/probe.c b/lib/blkid/probe.c index 24592bf3b..b8a75de76 100644 --- a/lib/blkid/probe.c +++ b/lib/blkid/probe.c @@ -105,7 +105,7 @@ static int check_mdraid(int fd, unsigned char *ret_uuid) return -BLKID_ERR_IO; /* Check for magic number */ - if (memcmp("\251+N\374", buf, 4)) + if (memcmp("\251+N\374", buf, 4) && memcmp("\374N+\251", buf, 4)) return -BLKID_ERR_PARAM; if (!ret_uuid)