From: Rasmus Villemoes <rasmus.villem...@prevas.dk>

There's a race between do_symlink_kernsrc and do_populate_lic, since
the latter is ordered "after do_patch"; so the two may run in
parallel. In some cases, that actually causes do_populate_lic to fail
if it happens to look for a license file somewhere under ${S} in the
short window after shutil.move and before the symlink has been
created.

Fix that by simply ordering symlink_kernsrc before do_patch. Any task
that pokes around in ${S} looking for files should be ordered after
do_patch, so this should also fix similar latent races with other ad
hoc tasks.

Signed-off-by: Rasmus Villemoes <rasmus.villem...@prevas.dk>
Signed-off-by: Richard Purdie <richard.pur...@linuxfoundation.org>
(cherry picked from commit c5dfc2586b4135cc86e91bb04fed837daf505676)
Signed-off-by: Steve Sakoman <st...@sakoman.com>
---
 meta/classes/kernel.bbclass | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 9e3c34ad48..9eb9bd2844 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -152,7 +152,7 @@ python do_symlink_kernsrc () {
             shutil.move(s, kernsrc)
             os.symlink(kernsrc, s)
 }
-addtask symlink_kernsrc before do_configure after do_unpack
+addtask symlink_kernsrc before do_patch after do_unpack
 
 inherit kernel-arch deploy
 
-- 
2.17.1

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