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authorGuenter Roeck <linux@roeck-us.net>2013-11-25 15:21:00 -0800
committerRalf Baechle <ralf@linux-mips.org>2014-01-23 13:02:34 +0100
commit63238f2cc5518e1c45a3418fc0ac0f560dafe7ef (patch)
tree95e96164b4f07251b222c222398edc1ab982139d
parentb2e4f1560f7388f8157dd2c828211abbfad0e806 (diff)
downloadblackbird-op-linux-63238f2cc5518e1c45a3418fc0ac0f560dafe7ef.tar.gz
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MIPS: Fix build error seen in some configurations
The following build error is seen if CONFIG_32BIT is undefined, CONFIG_64BIT is defined, and CONFIG_MIPS32_O32 is undefined. asm/syscall.h: In function 'mips_get_syscall_arg': arch/mips/include/asm/syscall.h:32:16: error: unused variable 'usp' [-Werror=unused-variable] cc1: all warnings being treated as errors Fixes: c0ff3c53d4f9 ('MIPS: Enable HAVE_ARCH_TRACEHOOK') Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: David Daney <david.daney@cavium.com> Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/6160/
-rw-r--r--arch/mips/include/asm/syscall.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h
index 81c89132c59d..33e8dbfc1b63 100644
--- a/arch/mips/include/asm/syscall.h
+++ b/arch/mips/include/asm/syscall.h
@@ -29,7 +29,7 @@ static inline long syscall_get_nr(struct task_struct *task,
static inline unsigned long mips_get_syscall_arg(unsigned long *arg,
struct task_struct *task, struct pt_regs *regs, unsigned int n)
{
- unsigned long usp = regs->regs[29];
+ unsigned long usp __maybe_unused = regs->regs[29];
switch (n) {
case 0: case 1: case 2: case 3:
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