AFS: Correctly assemble the client UUID

Correctly assemble the client UUID by OR'ing in the flags rather than
assigning them over the other components.

Reported-by: Himangi Saraogi <himangi774@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/afs/main.c b/fs/afs/main.c
index 42dd2e4..35de0c0 100644 (file)
--- a/fs/afs/main.c
+++ b/fs/afs/main.c
@@ -55,13 +55,13 @@ static int __init afs_get_client_UUID(void)
        afs_uuid.time_low = uuidtime;
        afs_uuid.time_mid = uuidtime >> 32;
        afs_uuid.time_hi_and_version = (uuidtime >> 48) & AFS_UUID_TIMEHI_MASK;
-       afs_uuid.time_hi_and_version = AFS_UUID_VERSION_TIME;
+       afs_uuid.time_hi_and_version |= AFS_UUID_VERSION_TIME;
 
        get_random_bytes(&clockseq, 2);
        afs_uuid.clock_seq_low = clockseq;
        afs_uuid.clock_seq_hi_and_reserved =
                (clockseq >> 8) & AFS_UUID_CLOCKHI_MASK;
-       afs_uuid.clock_seq_hi_and_reserved = AFS_UUID_VARIANT_STD;
+       afs_uuid.clock_seq_hi_and_reserved |= AFS_UUID_VARIANT_STD;
 
        _debug("AFS UUID: %08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
               afs_uuid.time_low,