diff options
| author | Nathan Lynch <ntl@pobox.com> | 2010-03-12 13:16:02 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-03-19 16:38:16 +1100 |
| commit | 409d241b7bb2cf0278186040ace1c4704fb2a82f (patch) | |
| tree | 6c2297c8d57f682a427eb7dd601154551024e5d9 | |
| parent | d6a8536a93a3d14b6e5e3e3a59b9fb2bca6e8df2 (diff) | |
| download | op-kernel-dev-409d241b7bb2cf0278186040ace1c4704fb2a82f.zip op-kernel-dev-409d241b7bb2cf0278186040ace1c4704fb2a82f.tar.gz | |
powerpc: Use correct ccr bit for syscall error status
The powerpc implementations of syscall_get_error and
syscall_set_return_value should use CCR0:S0 (0x10000000) for testing
and setting syscall error status. Fortunately these APIs don't seem
to be used at the moment.
Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/include/asm/syscall.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/syscall.h b/arch/powerpc/include/asm/syscall.h index efa7f0b..23913e9 100644 --- a/arch/powerpc/include/asm/syscall.h +++ b/arch/powerpc/include/asm/syscall.h @@ -30,7 +30,7 @@ static inline void syscall_rollback(struct task_struct *task, static inline long syscall_get_error(struct task_struct *task, struct pt_regs *regs) { - return (regs->ccr & 0x1000) ? -regs->gpr[3] : 0; + return (regs->ccr & 0x10000000) ? -regs->gpr[3] : 0; } static inline long syscall_get_return_value(struct task_struct *task, @@ -44,10 +44,10 @@ static inline void syscall_set_return_value(struct task_struct *task, int error, long val) { if (error) { - regs->ccr |= 0x1000L; + regs->ccr |= 0x10000000L; regs->gpr[3] = -error; } else { - regs->ccr &= ~0x1000L; + regs->ccr &= ~0x10000000L; regs->gpr[3] = val; } } |
