[XEN PATCH] xen: fix header guard generation for asm-generic headers

[Nicola Vetrini]

Dashes were wrongly not translated into underscores, thus generating
an unexpected guard identifier.

Fixes: ee79f378311b ("xen: add header guards to generated asm generic headers")
Signed-off-by: Nicola Vetrini <nicola.vetr...@bugseng.com>
---
 xen/scripts/Makefile.asm-generic | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/scripts/Makefile.asm-generic b/xen/scripts/Makefile.asm-generic
index b0828018080d..f6850758c54b 100644
--- a/xen/scripts/Makefile.asm-generic
+++ b/xen/scripts/Makefile.asm-generic
@@ -34,7 +34,7 @@ unwanted    := $(filter-out $(generic-y) 
$(generated-y),$(old-headers))
 quiet_cmd_wrap = WRAP    $@
       cmd_wrap = \
        arch=$$(echo $@ | sed -n 's:.*arch/\([^/]*\)/.*:\1:p' | tr a-z A-Z); \
-       upper=$$(echo $*.h | tr a-z A-Z | tr '/.' '__'); \
+       upper=$$(echo $*.h | tr a-z A-Z | tr '/.-' '__'); \
        echo "\#ifndef $${arch}_GENERIC_$${upper}" > $@.new; \
        echo "\#define $${arch}_GENERIC_$${upper}" >> $@.new; \
        echo "\#include <asm-generic/$*.h>" >> $@.new; \
-- 
2.43.0