From 7f5a7716dc0b380fd3c85ca5a5841969555feaa7 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Wed, 25 Apr 2007 15:08:57 +0100 Subject: [PATCH] [MIPS] Fix AP/SP to work in the reality of modern kernels. Signed-off-by: Ralf Baechle --- arch/mips/kernel/kspd.c | 5 +---- arch/mips/kernel/rtlx.c | 7 ++++--- 2 files changed, 5 insertions(+), 7 deletions(-) diff --git a/arch/mips/kernel/kspd.c b/arch/mips/kernel/kspd.c index 29eadd404fa5..c6580018c94b 100644 --- a/arch/mips/kernel/kspd.c +++ b/arch/mips/kernel/kspd.c @@ -17,6 +17,7 @@ */ #include #include +#include #include #include #include @@ -198,7 +199,6 @@ void sp_work_handle_request(void) int cmd; char *vcwd; - mm_segment_t old_fs; int size; ret.retval = -1; @@ -241,8 +241,6 @@ void sp_work_handle_request(void) if ((ret.retval = sp_syscall(__NR_gettimeofday, (int)&tv, (int)&tz, 0,0)) == 0) ret.retval = tv.tv_sec; - - ret.errno = errno; break; case MTSP_SYSCALL_EXIT: @@ -279,7 +277,6 @@ void sp_work_handle_request(void) if (cmd >= 0) { ret.retval = sp_syscall(cmd, generic.arg0, generic.arg1, generic.arg2, generic.arg3); - ret.errno = errno; } else printk(KERN_WARNING "KSPD: Unknown SP syscall number %d\n", sc.cmd); diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c index e6e3047151a6..bfc8ca168f83 100644 --- a/arch/mips/kernel/rtlx.c +++ b/arch/mips/kernel/rtlx.c @@ -289,7 +289,7 @@ unsigned int rtlx_write_poll(int index) return write_spacefree(chan->rt_read, chan->rt_write, chan->buffer_size); } -ssize_t rtlx_read(int index, void __user *buff, size_t count, int user) +ssize_t rtlx_read(int index, void __user *buff, size_t count) { size_t lx_write, fl = 0L; struct rtlx_channel *lx; @@ -331,9 +331,10 @@ ssize_t rtlx_read(int index, void __user *buff, size_t count, int user) return count; } -ssize_t rtlx_write(int index, const void __user *buffer, size_t count, int user) +ssize_t rtlx_write(int index, const void __user *buffer, size_t count) { struct rtlx_channel *rt; + unsigned long failed; size_t rt_read; size_t fl; @@ -363,7 +364,7 @@ ssize_t rtlx_write(int index, const void __user *buffer, size_t count, int user) } out: - count -= cailed; + count -= failed; smp_wmb(); rt->rt_write = (rt->rt_write + count) % rt->buffer_size; -- GitLab