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Date:   Fri, 1 Mar 2019 00:58:00 +0300
From:   "Dmitry V. Levin" <ldv@...linux.org>
To:     Greentime Hu <green.hu@...il.com>,
        Vincent Chen <deanbo422@...il.com>
Cc:     Elvira Khabirova <lineprinter@...linux.org>,
        Eugene Syromyatnikov <esyr@...hat.com>,
        Andy Lutomirski <luto@...nel.org>,
        Oleg Nesterov <oleg@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] nds32: fix asm/syscall.h

All syscall_get_* and syscall_set_* functions must be defined as
static inline.

Reported-by: kbuild test robot <lkp@...el.com>
Fixes: 1932fbe36e02 ("nds32: System calls handling")
Cc: Greentime Hu <green.hu@...il.com>
Cc: Vincent Chen <deanbo422@...il.com>
Cc: Elvira Khabirova <lineprinter@...linux.org>
Cc: Eugene Syromyatnikov <esyr@...hat.com>
Cc: stable@...r.kernel.org # v4.17+
Signed-off-by: Dmitry V. Levin <ldv@...linux.org>
---

 This is just a gentle ping, the patch is unchanged.

 arch/nds32/include/asm/syscall.h | 29 ++++++++++++++++++-----------
 1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/arch/nds32/include/asm/syscall.h b/arch/nds32/include/asm/syscall.h
index f7e5e86765fe..6b131202d0e9 100644
--- a/arch/nds32/include/asm/syscall.h
+++ b/arch/nds32/include/asm/syscall.h
@@ -25,7 +25,8 @@ struct pt_regs;
  *
  * It's only valid to call this when @task is known to be blocked.
  */
-int syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
+static inline int
+syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
 {
 	return regs->syscallno;
 }
@@ -46,7 +47,8 @@ int syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
  * system call instruction.  This may not be the same as what the
  * register state looked like at system call entry tracing.
  */
-void syscall_rollback(struct task_struct *task, struct pt_regs *regs)
+static inline void
+syscall_rollback(struct task_struct *task, struct pt_regs *regs)
 {
 	regs->uregs[0] = regs->orig_r0;
 }
@@ -61,7 +63,8 @@ void syscall_rollback(struct task_struct *task, struct pt_regs *regs)
  * It's only valid to call this when @task is stopped for tracing on exit
  * from a system call, due to %TIF_SYSCALL_TRACE or %TIF_SYSCALL_AUDIT.
  */
-long syscall_get_error(struct task_struct *task, struct pt_regs *regs)
+static inline long
+syscall_get_error(struct task_struct *task, struct pt_regs *regs)
 {
 	unsigned long error = regs->uregs[0];
 	return IS_ERR_VALUE(error) ? error : 0;
@@ -78,7 +81,8 @@ long syscall_get_error(struct task_struct *task, struct pt_regs *regs)
  * It's only valid to call this when @task is stopped for tracing on exit
  * from a system call, due to %TIF_SYSCALL_TRACE or %TIF_SYSCALL_AUDIT.
  */
-long syscall_get_return_value(struct task_struct *task, struct pt_regs *regs)
+static inline long
+syscall_get_return_value(struct task_struct *task, struct pt_regs *regs)
 {
 	return regs->uregs[0];
 }
@@ -98,8 +102,9 @@ long syscall_get_return_value(struct task_struct *task, struct pt_regs *regs)
  * It's only valid to call this when @task is stopped for tracing on exit
  * from a system call, due to %TIF_SYSCALL_TRACE or %TIF_SYSCALL_AUDIT.
  */
-void syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
-			      int error, long val)
+static inline void
+syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
+			 int error, long val)
 {
 	regs->uregs[0] = (long)error ? error : val;
 }
@@ -122,8 +127,9 @@ void syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
  * taking up to 6 arguments.
  */
 #define SYSCALL_MAX_ARGS 6
-void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
-			   unsigned int i, unsigned int n, unsigned long *args)
+static inline void
+syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
+		      unsigned int i, unsigned int n, unsigned long *args)
 {
 	if (n == 0)
 		return;
@@ -163,9 +169,10 @@ void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
  * It's invalid to call this with @i + @n > 6; we only support system calls
  * taking up to 6 arguments.
  */
-void syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
-			   unsigned int i, unsigned int n,
-			   const unsigned long *args)
+static inline void
+syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
+		      unsigned int i, unsigned int n,
+		      const unsigned long *args)
 {
 	if (n == 0)
 		return;
-- 
ldv

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