The __do_user_fault function is always called with tsk == current.
Make that obvious by removing the tsk parameter.
This makes it clear that __do_user_fault calls force_sig_fault
on the current task.
Signed-off-by: "Eric W. Biederman" <ebied...@xmission.com>
---
arch/unicore32/mm/fault.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/arch/unicore32/mm/fault.c b/arch/unicore32/mm/fault.c
index b9a3a50644c1..cadee0b3b4e0 100644
--- a/arch/unicore32/mm/fault.c
+++ b/arch/unicore32/mm/fault.c
@@ -116,10 +116,11 @@ static void __do_kernel_fault(struct mm_struct *mm,
unsigned long addr,
* Something tried to access memory that isn't in our memory map..
* User mode accesses just cause a SIGSEGV
*/
-static void __do_user_fault(struct task_struct *tsk, unsigned long addr,
- unsigned int fsr, unsigned int sig, int code,
- struct pt_regs *regs)
+static void __do_user_fault(unsigned long addr, unsigned int fsr,
+ unsigned int sig, int code, struct pt_regs *regs)
{
+ struct task_struct *tsk = current;
+
tsk->thread.address = addr;
tsk->thread.error_code = fsr;
tsk->thread.trap_no = 14;
@@ -136,7 +137,7 @@ void do_bad_area(unsigned long addr, unsigned int fsr,
struct pt_regs *regs)
* have no context to handle this fault with.
*/
if (user_mode(regs))
- __do_user_fault(tsk, addr, fsr, SIGSEGV, SEGV_MAPERR, regs);
+ __do_user_fault(addr, fsr, SIGSEGV, SEGV_MAPERR, regs);
else
__do_kernel_fault(mm, addr, fsr, regs);
}
@@ -310,7 +311,7 @@ static int do_pf(unsigned long addr, unsigned int fsr,
struct pt_regs *regs)
code = fault == VM_FAULT_BADACCESS ? SEGV_ACCERR : SEGV_MAPERR;
}
- __do_user_fault(tsk, addr, fsr, sig, code, regs);
+ __do_user_fault(addr, fsr, sig, code, regs);
return 0;
no_context:
--
2.21.0
