Commit a7e75d43 authored Jan 05, 2015 by Heiko Carstens Committed by Martin Schwidefsky Jan 08, 2015

s390/sclp: sign extend return value of _sclp_print_early()



_sclp_print_early() has a return value, but misses to sign extend it
if called from 64 bit code.
This is not really a bug, since currently no caller cares what the
return value is.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent fbf87dff

arch/s390/kernel/sclp.S

+2 −1

Original line number	Diff line number	Diff line
		@@ -294,7 +294,8 @@ ENTRY(_sclp_print_early)
		#ifdef CONFIG_64BIT
		tm LC_AR_MODE_ID,1
		jno .Lesa3
		lmh %r6,%r15,96(%r15) # store upper register halves
		lgfr %r2,%r2 # sign extend return value
		lmh %r6,%r15,96(%r15) # restore upper register halves
		ahi %r15,80
		.Lesa3:
		#endif