diff options
Diffstat (limited to 'arch/sh/include/asm/syscall_32.h')
| -rw-r--r-- | arch/sh/include/asm/syscall_32.h | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/arch/sh/include/asm/syscall_32.h b/arch/sh/include/asm/syscall_32.h index 05a868a71ef..7d80df4f09c 100644 --- a/arch/sh/include/asm/syscall_32.h +++ b/arch/sh/include/asm/syscall_32.h @@ -3,6 +3,7 @@ #include <linux/kernel.h> #include <linux/sched.h> +#include <linux/err.h> #include <asm/ptrace.h> /* The system call number is given by the user in R3 */ @@ -21,23 +22,10 @@ static inline void syscall_rollback(struct task_struct *task, */ } -static inline bool syscall_has_error(struct pt_regs *regs) -{ - return (regs->sr & 0x1) ? true : false; -} -static inline void syscall_set_error(struct pt_regs *regs) -{ - regs->sr |= 0x1; -} -static inline void syscall_clear_error(struct pt_regs *regs) -{ - regs->sr &= ~0x1; -} - static inline long syscall_get_error(struct task_struct *task, struct pt_regs *regs) { - return syscall_has_error(regs) ? regs->regs[0] : 0; + return IS_ERR_VALUE(regs->regs[0]) ? regs->regs[0] : 0; } static inline long syscall_get_return_value(struct task_struct *task, @@ -50,13 +38,10 @@ static inline void syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, int error, long val) { - if (error) { - syscall_set_error(regs); + if (error) regs->regs[0] = -error; - } else { - syscall_clear_error(regs); + else regs->regs[0] = val; - } } static inline void syscall_get_arguments(struct task_struct *task, @@ -80,6 +65,7 @@ static inline void syscall_get_arguments(struct task_struct *task, case 3: args[2] = regs->regs[6]; case 2: args[1] = regs->regs[5]; case 1: args[0] = regs->regs[4]; + case 0: break; default: BUG(); |