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-rw-r--r--arch/sparc/kernel/hvcalls.S3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/sparc/kernel/hvcalls.S b/arch/sparc/kernel/hvcalls.S
index afbaba52d2f1..d127130bf424 100644
--- a/arch/sparc/kernel/hvcalls.S
+++ b/arch/sparc/kernel/hvcalls.S
@@ -338,8 +338,9 @@ ENTRY(sun4v_mach_set_watchdog)
mov %o1, %o4
mov HV_FAST_MACH_SET_WATCHDOG, %o5
ta HV_FAST_TRAP
+ brnz,a,pn %o4, 0f
stx %o1, [%o4]
- retl
+0: retl
nop
ENDPROC(sun4v_mach_set_watchdog)