In some cases it is seen that kernel_checkout and
validate_branches are run again in simultaneous builds.
During do_patch the kgit-s2q mechanism creates and
checks for the kgit-s2q.last file inside the .git
directory, finds a fence post and starts picking up
patches after that. This can create trouble as
validate_branches checks out the HEAD of the branch
and so the patches should be reapplied rather than
skipped due to finding of the fence post.

Signed-off-by: Awais Belal <awais_be...@mentor.com>
---
 meta/classes/kernel-yocto.bbclass | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/meta/classes/kernel-yocto.bbclass 
b/meta/classes/kernel-yocto.bbclass
index 5cfd8af..131c48a 100644
--- a/meta/classes/kernel-yocto.bbclass
+++ b/meta/classes/kernel-yocto.bbclass
@@ -350,6 +350,10 @@ do_validate_branches() {
                        current_branch=`git rev-parse --abbrev-ref HEAD`
                        git branch "$current_branch-orig"
                        git reset --hard ${force_srcrev}
+                       # We've checked out HEAD, make sure we cleanup kgit-s2q 
fence post check
+                       # so the patches are applied as expected otherwise no 
patching
+                       # would be done in some corner cases.
+                       rm -rf ${S}/.git/kgit-s2q.last
                fi
        fi
 }
-- 
1.9.1

-- 
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