kernel-module-split.bbclass: support muti-lines in module conf

The expanded bitbake variables are raw strings so it does not support
writting multiple lines to a kernel module conf, add the support by
decoding it with 'unicode-escape'.

Reported-by: Mathias Thore <mathias.thore@atlascopco.com>
(From OE-Core rev: 48e12557c12c05a6b211d52bc87ee1a30f3be83f)

Signed-off-by: Ming Liu <liu.ming50@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/meta/classes-recipe/kernel-module-split.bbclass b/meta/classes-recipe/kernel-module-split.bbclass
index 75ed696b72..c289808404 100644
--- a/meta/classes-recipe/kernel-module-split.bbclass
+++ b/meta/classes-recipe/kernel-module-split.bbclass
@@ -131,7 +131,7 @@ python split_kernel_module_packages () {
         if modconf and basename in modconflist:
             os.makedirs(os.path.dirname(name), exist_ok=True)
             with open(name, 'w') as f:
-                f.write("%s\n" % modconf)
+                f.write("%s\n" % modconf.encode().decode('unicode-escape'))
         elif modconf:
             bb.error("Please ensure module %s is listed in KERNEL_MODULE_PROBECONF since module_conf_%s is set" % (basename, basename))
         # If the .conf file exits, then add it to FILES:* and CONFFILES:*.