1 files changed, 128 insertions, 0 deletions

diff --git a/meta/recipes-extended/mdadm/files/0005-Add-a-comment-to-indicate-valid-fallthrough.patch b/meta/recipes-extended/mdadm/files/0005-Add-a-comment-to-indicate-valid-fallthrough.patch
new file mode 100644
index 0000000000..3d9d3b9044
--- /dev/null
+++ b/meta/recipes-extended/mdadm/files/0005-Add-a-comment-to-indicate-valid-fallthrough.patch
@@ -0,0 +1,128 @@
+From 09014233bf10900f7bd8390b3b64ff82bca45222 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Wed, 19 Apr 2017 12:04:15 -0700
+Subject: [PATCH 5/5] Add a comment to indicate valid fallthrough
+
+gcc7 warns about code with fallthroughs, this patch adds
+the comment to indicate a valid fallthrough, helps gcc7
+compiler warnings
+
+This works in cross and native compilation case
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+Upstream-Status: Submitted
+
+ Grow.c        | 4 ++++
+ bitmap.c      | 8 ++++++++
+ mdadm.c       | 2 ++
+ super-intel.c | 1 +
+ util.c        | 1 +
+ 5 files changed, 16 insertions(+)
+
+diff --git a/Grow.c b/Grow.c
+index 455c5f9..27c73b1 100755
+--- a/Grow.c
++++ b/Grow.c
+@@ -1257,6 +1257,7 @@ char *analyse_change(char *devname, struct mdinfo *info, struct reshape *re)
+                switch (info->new_level) {
+                case 4:
+                        delta_parity = 1;
++                       /* fallthrough */
+                case 0:
+                        re->level = 4;
+                        re->before.layout = 0;
+@@ -1284,10 +1285,12 @@ char *analyse_change(char *devname, struct mdinfo *info, struct reshape *re)
+ 
+        case 4:
+                info->array.layout = ALGORITHM_PARITY_N;
++               /* fallthrough */
+        case 5:
+                switch (info->new_level) {
+                case 0:
+                        delta_parity = -1;
++                       /* fallthrough */
+                case 4:
+                        re->level = info->array.level;
+                        re->before.data_disks = info->array.raid_disks - 1;
+@@ -1343,6 +1346,7 @@ char *analyse_change(char *devname, struct mdinfo *info, struct reshape *re)
+                case 4:
+                case 5:
+                        delta_parity = -1;
++                       /* fallthrough */
+                case 6:
+                        re->level = 6;
+                        re->before.data_disks = info->array.raid_disks - 2;
+diff --git a/bitmap.c b/bitmap.c
+index ccedfd3..a6ff091 100644
+--- a/bitmap.c
++++ b/bitmap.c
+@@ -82,13 +82,21 @@ static inline int count_dirty_bits_byte(char byte, int num_bits)
+ 
+        switch (num_bits) { /* fall through... */
+                case 8: if (byte & 128) num++;
++               /* fallthrough */
+                case 7: if (byte &  64) num++;
++               /* fallthrough */
+                case 6: if (byte &  32) num++;
++               /* fallthrough */
+                case 5: if (byte &  16) num++;
++               /* fallthrough */
+                case 4: if (byte &   8) num++;
++               /* fallthrough */
+                case 3: if (byte &   4) num++;
++               /* fallthrough */
+                case 2: if (byte &   2) num++;
++               /* fallthrough */
+                case 1: if (byte &   1) num++;
++               /* fallthrough */
+                default: break;
+        }
+ 
+diff --git a/mdadm.c b/mdadm.c
+index c3a265b..2d06d3b 100644
+--- a/mdadm.c
++++ b/mdadm.c
+@@ -148,6 +148,7 @@ int main(int argc, char *argv[])
+                            mode == CREATE || mode == GROW ||
+                            mode == INCREMENTAL || mode == MANAGE)
+                                break; /* b means bitmap */
++               /* fallthrough */
+                case Brief:
+                        c.brief = 1;
+                        continue;
+@@ -828,6 +829,7 @@ int main(int argc, char *argv[])
+ 
+                case O(INCREMENTAL,NoDegraded):
+                        pr_err("--no-degraded is deprecated in Incremental mode\n");
++                       /* fallthrough */
+                case O(ASSEMBLE,NoDegraded): /* --no-degraded */
+                        c.runstop = -1; /* --stop isn't allowed for --assemble,
+                                         * so we overload slightly */
+diff --git a/super-intel.c b/super-intel.c
+index 4e466ff..00a2925 100644
+--- a/super-intel.c
++++ b/super-intel.c
+@@ -3271,6 +3271,7 @@ static void getinfo_super_imsm_volume(struct supertype *st, struct mdinfo *info,
+                                                << SECT_PER_MB_SHIFT;
+                        }
+                }
++               /* fallthrough */
+                case MIGR_VERIFY:
+                        /* we could emulate the checkpointing of
+                         * 'sync_action=check' migrations, but for now
+diff --git a/util.c b/util.c
+index 32bd909..f2a4d19 100644
+--- a/util.c
++++ b/util.c
+@@ -335,6 +335,7 @@ unsigned long long parse_size(char *size)
+                switch (*c) {
+                case 'K':
+                        c++;
++               /* fallthrough */
+                default:
+                        s *= 2;
+                        break;
+-- 
+2.12.2
+