Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master

4 files changed, 81 insertions, 156 deletions

diff --git a/arch/mips/lasat/picvue.h b/arch/mips/lasat/picvue.h
index 91df55371127..2f0757738fdb 100644
--- a/arch/mips/lasat/picvue.h
+++ b/arch/mips/lasat/picvue.h
@@ -42,4 +42,3 @@ void pvc_move(u8 cmd);
 
 void pvc_clear(void);
 void pvc_home(void);
-
diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c
index 0bb6037afba3..8e388da1926f 100644
--- a/arch/mips/lasat/picvue_proc.c
+++ b/arch/mips/lasat/picvue_proc.c
@@ -4,12 +4,14 @@
  * Brian Murphy <brian.murphy@eicon.com>
  *
  */
+#include <linux/bug.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/errno.h>
 
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #include <linux/interrupt.h>
 
 #include <linux/timer.h>
@@ -38,12 +40,9 @@ static void pvc_display(unsigned long data)
 
 static DECLARE_TASKLET(pvc_display_tasklet, &pvc_display, 0);
 
-static int pvc_proc_read_line(char *page, char **start,
-                             off_t off, int count,
-                             int *eof, void *data)
+static int pvc_line_proc_show(struct seq_file *m, void *v)
 {
-        char *origpage = page;
-        int lineno = *(int *)data;
+        int lineno = *(int *)m->private;
 
         if (lineno < 0 || lineno > PVC_NLINES) {
                 printk(KERN_WARNING "proc_read_line: invalid lineno %d\n", lineno);
@@ -51,45 +50,66 @@ static int pvc_proc_read_line(char *page, char **start,
         }
 
         mutex_lock(&pvc_mutex);
-        page += sprintf(page, "%s\n", pvc_lines[lineno]);
+        seq_printf(m, "%s\n", pvc_lines[lineno]);
         mutex_unlock(&pvc_mutex);
 
-        return page - origpage;
+        return 0;
 }
 
-static int pvc_proc_write_line(struct file *file, const char *buffer,
-                           unsigned long count, void *data)
+static int pvc_line_proc_open(struct inode *inode, struct file *file)
 {
-        int origcount = count;
-        int lineno = *(int *)data;
+        return single_open(file, pvc_line_proc_show, PDE(inode)->data);
+}
 
-        if (lineno < 0 || lineno > PVC_NLINES) {
-                printk(KERN_WARNING "proc_write_line: invalid lineno %d\n",
-                       lineno);
-                return origcount;
-        }
+static ssize_t pvc_line_proc_write(struct file *file, const char __user *buf,
+                                   size_t count, loff_t *pos)
+{
+        int lineno = *(int *)PDE(file->f_path.dentry->d_inode)->data;
+        char kbuf[PVC_LINELEN];
+        size_t len;
+
+        BUG_ON(lineno < 0 || lineno > PVC_NLINES);
 
-        if (count > PVC_LINELEN)
-                count = PVC_LINELEN;
+        len = min(count, sizeof(kbuf) - 1);
+        if (copy_from_user(kbuf, buf, len))
+                return -EFAULT;
+        kbuf[len] = '\0';
 
-        if (buffer[count-1] == '\n')
-                count--;
+        if (len > 0 && kbuf[len - 1] == '\n')
+                len--;
 
         mutex_lock(&pvc_mutex);
-        strncpy(pvc_lines[lineno], buffer, count);
-        pvc_lines[lineno][count] = '\0';
+        strncpy(pvc_lines[lineno], kbuf, len);
+        pvc_lines[lineno][len] = '\0';
         mutex_unlock(&pvc_mutex);
 
         tasklet_schedule(&pvc_display_tasklet);
 
-        return origcount;
+        return count;
 }
 
-static int pvc_proc_write_scroll(struct file *file, const char *buffer,
-                           unsigned long count, void *data)
+static const struct file_operations pvc_line_proc_fops = {
+        .owner          = THIS_MODULE,
+        .open           = pvc_line_proc_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+        .write          = pvc_line_proc_write,
+};
+
+static ssize_t pvc_scroll_proc_write(struct file *file, const char __user *buf,
+                                     size_t count, loff_t *pos)
 {
-        int origcount = count;
-        int cmd = simple_strtol(buffer, NULL, 10);
+        char kbuf[42];
+        size_t len;
+        int cmd;
+
+        len = min(count, sizeof(kbuf) - 1);
+        if (copy_from_user(kbuf, buf, len))
+                return -EFAULT;
+        kbuf[len] = '\0';
+
+        cmd = simple_strtol(kbuf, NULL, 10);
 
         mutex_lock(&pvc_mutex);
         if (scroll_interval != 0)
@@ -110,22 +130,31 @@ static int pvc_proc_write_scroll(struct file *file, const char *buffer,
         }
         mutex_unlock(&pvc_mutex);
 
-        return origcount;
+        return count;
 }
 
-static int pvc_proc_read_scroll(char *page, char **start,
-                             off_t off, int count,
-                             int *eof, void *data)
+static int pvc_scroll_proc_show(struct seq_file *m, void *v)
 {
-        char *origpage = page;
-
         mutex_lock(&pvc_mutex);
-        page += sprintf(page, "%d\n", scroll_dir * scroll_interval);
+        seq_printf(m, "%d\n", scroll_dir * scroll_interval);
         mutex_unlock(&pvc_mutex);
 
-        return page - origpage;
+        return 0;
 }
 
+static int pvc_scroll_proc_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, pvc_scroll_proc_show, NULL);
+}
+
+static const struct file_operations pvc_scroll_proc_fops = {
+        .owner          = THIS_MODULE,
+        .open           = pvc_scroll_proc_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+        .write          = pvc_scroll_proc_write,
+};
 
 void pvc_proc_timerfunc(unsigned long data)
 {
@@ -163,22 +192,16 @@ static int __init pvc_proc_init(void)
                 pvc_linedata[i] = i;
         }
         for (i = 0; i < PVC_NLINES; i++) {
-                proc_entry = create_proc_entry(pvc_linename[i], 0644,
-                                               pvc_display_dir);
+                proc_entry = proc_create_data(pvc_linename[i], 0644, pvc_display_dir,
+                                        &pvc_line_proc_fops, &pvc_linedata[i]);
                 if (proc_entry == NULL)
                         goto error;
-
-                proc_entry->read_proc = pvc_proc_read_line;
-                proc_entry->write_proc = pvc_proc_write_line;
-                proc_entry->data = &pvc_linedata[i];
         }
-        proc_entry = create_proc_entry("scroll", 0644, pvc_display_dir);
+        proc_entry = proc_create("scroll", 0644, pvc_display_dir,
+                                 &pvc_scroll_proc_fops);
         if (proc_entry == NULL)
                 goto error;
 
-        proc_entry->write_proc = pvc_proc_write_scroll;
-        proc_entry->read_proc = pvc_proc_read_scroll;
-
         init_timer(&timer);
         timer.function = pvc_proc_timerfunc;
 
diff --git a/arch/mips/lasat/prom.c b/arch/mips/lasat/prom.c
index 6acc6cb85f0a..20fde19a5fbf 100644
--- a/arch/mips/lasat/prom.c
+++ b/arch/mips/lasat/prom.c
@@ -100,8 +100,8 @@ void __init prom_init(void)
 
         /* Get the command line */
         if (argc > 0) {
-                strncpy(arcs_cmdline, argv[0], CL_SIZE-1);
-                arcs_cmdline[CL_SIZE-1] = '\0';
+                strncpy(arcs_cmdline, argv[0], COMMAND_LINE_SIZE-1);
+                arcs_cmdline[COMMAND_LINE_SIZE-1] = '\0';
         }
 
         /* Set the I/O base address */
diff --git a/arch/mips/lasat/sysctl.c b/arch/mips/lasat/sysctl.c
index b3deed8db619..d87ffd04cb0a 100644
--- a/arch/mips/lasat/sysctl.c
+++ b/arch/mips/lasat/sysctl.c
@@ -37,23 +37,6 @@
 #include "ds1603.h"
 #endif
 
-/* Strategy function to write EEPROM after changing string entry */
-int sysctl_lasatstring(ctl_table *table,
-                void *oldval, size_t *oldlenp,
-                void *newval, size_t newlen)
-{
-        int r;
-
-        r = sysctl_string(table, oldval, oldlenp, newval, newlen);
-        if (r < 0)
-                return r;
-
-        if (newval && newlen)
-                lasat_write_eeprom_info();
-
-        return 0;
-}
-
 
 /* And the same for proc */
 int proc_dolasatstring(ctl_table *table, int write,
@@ -113,46 +96,6 @@ int proc_dolasatrtc(ctl_table *table, int write,
 }
 #endif
 
-/* Sysctl for setting the IP addresses */
-int sysctl_lasat_intvec(ctl_table *table,
-                    void *oldval, size_t *oldlenp,
-                    void *newval, size_t newlen)
-{
-        int r;
-
-        r = sysctl_intvec(table, oldval, oldlenp, newval, newlen);
-        if (r < 0)
-                return r;
-
-        if (newval && newlen)
-                lasat_write_eeprom_info();
-
-        return 0;
-}
-
-#ifdef CONFIG_DS1603
-/* Same for RTC */
-int sysctl_lasat_rtc(ctl_table *table,
-                    void *oldval, size_t *oldlenp,
-                    void *newval, size_t newlen)
-{
-        struct timespec ts;
-        int r;
-
-        read_persistent_clock(&ts);
-        rtctmp = ts.tv_sec;
-        if (rtctmp < 0)
-                rtctmp = 0;
-        r = sysctl_intvec(table, oldval, oldlenp, newval, newlen);
-        if (r < 0)
-                return r;
-        if (newval && newlen)
-                rtc_mips_set_mmss(rtctmp);
-
-        return r;
-}
-#endif
-
 #ifdef CONFIG_INET
 int proc_lasat_ip(ctl_table *table, int write,
                        void *buffer, size_t *lenp, loff_t *ppos)
@@ -214,23 +157,6 @@ int proc_lasat_ip(ctl_table *table, int write,
 }
 #endif
 
-static int sysctl_lasat_prid(ctl_table *table,
-                                     void *oldval, size_t *oldlenp,
-                                     void *newval, size_t newlen)
-{
-        int r;
-
-        r = sysctl_intvec(table, oldval, oldlenp, newval, newlen);
-        if (r < 0)
-                return r;
-        if (newval && newlen) {
-                lasat_board_info.li_eeprom_info.prid = *(int *)newval;
-                lasat_write_eeprom_info();
-                lasat_init_board_info();
-        }
-        return 0;
-}
-
 int proc_lasat_prid(ctl_table *table, int write,
                        void *buffer, size_t *lenp, loff_t *ppos)
 {
@@ -252,115 +178,92 @@ extern int lasat_boot_to_service;
 
 static ctl_table lasat_table[] = {
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "cpu-hz",
                 .data           = &lasat_board_info.li_cpu_hz,
                 .maxlen         = sizeof(int),
                 .mode           = 0444,
-                .proc_handler   = &proc_dointvec,
-                .strategy       = &sysctl_intvec
+                .proc_handler   = proc_dointvec,
         },
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "bus-hz",
                 .data           = &lasat_board_info.li_bus_hz,
                 .maxlen         = sizeof(int),
                 .mode           = 0444,
-                .proc_handler   = &proc_dointvec,
-                .strategy       = &sysctl_intvec
+                .proc_handler   = proc_dointvec,
         },
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "bmid",
                 .data           = &lasat_board_info.li_bmid,
                 .maxlen         = sizeof(int),
                 .mode           = 0444,
-                .proc_handler   = &proc_dointvec,
-                .strategy       = &sysctl_intvec
+                .proc_handler   = proc_dointvec,
         },
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "prid",
                 .data           = &lasat_board_info.li_prid,
                 .maxlen         = sizeof(int),
                 .mode           = 0644,
-                .proc_handler   = &proc_lasat_prid,
-                .strategy       = &sysctl_lasat_prid
+                .proc_handler   = proc_lasat_prid,
         },
 #ifdef CONFIG_INET
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "ipaddr",
                 .data           = &lasat_board_info.li_eeprom_info.ipaddr,
                 .maxlen         = sizeof(int),
                 .mode           = 0644,
-                .proc_handler   = &proc_lasat_ip,
-                .strategy       = &sysctl_lasat_intvec
+                .proc_handler   = proc_lasat_ip,
         },
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "netmask",
                 .data           = &lasat_board_info.li_eeprom_info.netmask,
                 .maxlen         = sizeof(int),
                 .mode           = 0644,
-                .proc_handler   = &proc_lasat_ip,
-                .strategy       = &sysctl_lasat_intvec
+                .proc_handler   = proc_lasat_ip,
         },
 #endif
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "passwd_hash",
                 .data           = &lasat_board_info.li_eeprom_info.passwd_hash,
                 .maxlen         =
                         sizeof(lasat_board_info.li_eeprom_info.passwd_hash),
                 .mode           = 0600,
-                .proc_handler   = &proc_dolasatstring,
-                .strategy       = &sysctl_lasatstring
+                .proc_handler   = proc_dolasatstring,
         },
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "boot-service",
                 .data           = &lasat_boot_to_service,
                 .maxlen         = sizeof(int),
                 .mode           = 0644,
-                .proc_handler   = &proc_dointvec,
-                .strategy       = &sysctl_intvec
+                .proc_handler   = proc_dointvec,
         },
 #ifdef CONFIG_DS1603
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "rtc",
                 .data           = &rtctmp,
                 .maxlen         = sizeof(int),
                 .mode           = 0644,
-                .proc_handler   = &proc_dolasatrtc,
-                .strategy       = &sysctl_lasat_rtc
+                .proc_handler   = proc_dolasatrtc,
         },
 #endif
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "namestr",
                 .data           = &lasat_board_info.li_namestr,
                 .maxlen         = sizeof(lasat_board_info.li_namestr),
                 .mode           = 0444,
-                .proc_handler   = &proc_dostring,
-                .strategy       = &sysctl_string
+                .proc_handler   = proc_dostring,
         },
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "typestr",
                 .data           = &lasat_board_info.li_typestr,
                 .maxlen         = sizeof(lasat_board_info.li_typestr),
                 .mode           = 0444,
-                .proc_handler   = &proc_dostring,
-                .strategy       = &sysctl_string
+                .proc_handler   = proc_dostring,
         },
         {}
 };
 
 static ctl_table lasat_root_table[] = {
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "lasat",
                 .mode           =  0555,
                 .child          = lasat_table