"tsk" is only used when MEMORY_FAILURE=y.
arch/x86/mm/fault.c: In function 'do_sigbus':
arch/x86/mm/fault.c:1017:22: warning: unused variable 'tsk'
[-Wunused-variable]
Signed-off-by: Qian Cai <c...@lca.pw>
---
arch/x86/mm/fault.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 46df4c6aae46..a10e518dcdf8 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -1015,7 +1015,9 @@ static inline bool bad_area_access_from_pkeys(unsigned
long error_code,
do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long
address,
vm_fault_t fault)
{
+#ifdef CONFIG_MEMORY_FAILURE
struct task_struct *tsk = current;
+#endif
/* Kernel mode? Handle exceptions or die: */
if (!(error_code & X86_PF_USER)) {
--
1.8.3.1
