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authorGustavo A. R. Silva <garsilva@embeddedor.com>2017-10-15 12:55:23 -0500
committerIlya Dryomov <idryomov@gmail.com>2017-11-13 12:11:39 +0100
commit18370b36b28a6c1b059392e9b8f9a80332e51e7c (patch)
treee59f88ab5cf71d837e826d413b4c88295a96b99a /net/ceph/ceph_hash.c
parent76bd6ec4988065d39983ba8e93bb738313f68050 (diff)
downloadlwn-18370b36b28a6c1b059392e9b8f9a80332e51e7c.tar.gz
lwn-18370b36b28a6c1b059392e9b8f9a80332e51e7c.zip
ceph: mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> [idryomov@gmail.com: amended "Older OSDs" comment] Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'net/ceph/ceph_hash.c')
-rw-r--r--net/ceph/ceph_hash.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/net/ceph/ceph_hash.c b/net/ceph/ceph_hash.c
index 67bb1f11e613..9a5850f264ed 100644
--- a/net/ceph/ceph_hash.c
+++ b/net/ceph/ceph_hash.c
@@ -47,28 +47,38 @@ unsigned int ceph_str_hash_rjenkins(const char *str, unsigned int length)
/* handle the last 11 bytes */
c = c + length;
- switch (len) { /* all the case statements fall through */
+ switch (len) {
case 11:
c = c + ((__u32)k[10] << 24);
+ /* fall through */
case 10:
c = c + ((__u32)k[9] << 16);
+ /* fall through */
case 9:
c = c + ((__u32)k[8] << 8);
/* the first byte of c is reserved for the length */
+ /* fall through */
case 8:
b = b + ((__u32)k[7] << 24);
+ /* fall through */
case 7:
b = b + ((__u32)k[6] << 16);
+ /* fall through */
case 6:
b = b + ((__u32)k[5] << 8);
+ /* fall through */
case 5:
b = b + k[4];
+ /* fall through */
case 4:
a = a + ((__u32)k[3] << 24);
+ /* fall through */
case 3:
a = a + ((__u32)k[2] << 16);
+ /* fall through */
case 2:
a = a + ((__u32)k[1] << 8);
+ /* fall through */
case 1:
a = a + k[0];
/* case 0: nothing left to add */