Messages in this thread Patch in this message | | | From | Guenter Roeck <> | Subject | [PATCH] mips: Fix build error seen in some configurations | Date | Mon, 25 Nov 2013 15:21:00 -0800 |
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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> --- arch/mips/include/asm/syscall.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h index 81c8913..33e8dbf 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: -- 1.7.9.7
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