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authorRalf Baechle <ralf@linux-mips.org>2007-04-25 15:08:57 +0100
committerRalf Baechle <ralf@linux-mips.org>2007-04-27 16:20:23 +0100
commit7f5a7716dc0b380fd3c85ca5a5841969555feaa7 (patch)
treeb5e64de8cd6d83dd04f83020a5369aac6dd909d2
parentde46c33745f5e2ad594c72f2cf5f490861b16ce1 (diff)
[MIPS] Fix AP/SP to work in the reality of modern kernels.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/kernel/kspd.c5
-rw-r--r--arch/mips/kernel/rtlx.c7
2 files changed, 5 insertions, 7 deletions
diff --git a/arch/mips/kernel/kspd.c b/arch/mips/kernel/kspd.c
index 29eadd404fa..c6580018c94 100644
--- a/arch/mips/kernel/kspd.c
+++ b/arch/mips/kernel/kspd.c
@@ -17,6 +17,7 @@
*/
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/sched.h>
#include <linux/unistd.h>
#include <linux/file.h>
#include <linux/fs.h>
@@ -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 e6e3047151a..bfc8ca168f8 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 @@ out:
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;