X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Flasat%2Fsysctl.c;h=e3d5aaa90f0db260ee78026df04ff603f4690c8c;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=1c0cc620a43f865e5da1bbd84abe928aa45b773f;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git diff --git a/arch/mips/lasat/sysctl.c b/arch/mips/lasat/sysctl.c index 1c0cc620a..e3d5aaa90 100644 --- a/arch/mips/lasat/sysctl.c +++ b/arch/mips/lasat/sysctl.c @@ -30,30 +30,31 @@ #include #include #include +#include #include #include "sysctl.h" #include "ds1603.h" -static DECLARE_MUTEX(lasat_info_sem); +static DEFINE_MUTEX(lasat_info_mutex); -/* Strategy function to write EEPROM after changing string entry */ +/* Strategy function to write EEPROM after changing string entry */ int sysctl_lasatstring(ctl_table *table, int *name, int nlen, void *oldval, size_t *oldlenp, void *newval, size_t newlen, void **context) { int r; - down(&lasat_info_sem); - r = sysctl_string(table, name, + mutex_lock(&lasat_info_mutex); + r = sysctl_string(table, name, nlen, oldval, oldlenp, newval, newlen, context); if (r < 0) { - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return r; } if (newval && newlen) { lasat_write_eeprom_info(); } - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return 1; } @@ -63,42 +64,42 @@ int proc_dolasatstring(ctl_table *table, int write, struct file *filp, void *buffer, size_t *lenp, loff_t *ppos) { int r; - down(&lasat_info_sem); + mutex_lock(&lasat_info_mutex); r = proc_dostring(table, write, filp, buffer, lenp, ppos); if ( (!write) || r) { - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return r; } lasat_write_eeprom_info(); - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return 0; } -/* proc function to write EEPROM after changing int entry */ +/* proc function to write EEPROM after changing int entry */ int proc_dolasatint(ctl_table *table, int write, struct file *filp, void *buffer, size_t *lenp, loff_t *ppos) { int r; - down(&lasat_info_sem); + mutex_lock(&lasat_info_mutex); r = proc_dointvec(table, write, filp, buffer, lenp, ppos); if ( (!write) || r) { - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return r; } lasat_write_eeprom_info(); - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return 0; } static int rtctmp; #ifdef CONFIG_DS1603 -/* proc function to read/write RealTime Clock */ +/* proc function to read/write RealTime Clock */ int proc_dolasatrtc(ctl_table *table, int write, struct file *filp, void *buffer, size_t *lenp, loff_t *ppos) { int r; - down(&lasat_info_sem); + mutex_lock(&lasat_info_mutex); if (!write) { rtctmp = ds1603_read(); /* check for time < 0 and set to 0 */ @@ -107,11 +108,11 @@ int proc_dolasatrtc(ctl_table *table, int write, struct file *filp, } r = proc_dointvec(table, write, filp, buffer, lenp, ppos); if ( (!write) || r) { - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return r; } ds1603_set(rtctmp); - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return 0; } #endif @@ -122,16 +123,16 @@ int sysctl_lasat_intvec(ctl_table *table, int *name, int nlen, void *newval, size_t newlen, void **context) { int r; - down(&lasat_info_sem); + mutex_lock(&lasat_info_mutex); r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen, context); if (r < 0) { - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return r; } if (newval && newlen) { lasat_write_eeprom_info(); } - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return 1; } @@ -142,19 +143,19 @@ int sysctl_lasat_rtc(ctl_table *table, int *name, int nlen, void *newval, size_t newlen, void **context) { int r; - down(&lasat_info_sem); + mutex_lock(&lasat_info_mutex); rtctmp = ds1603_read(); if (rtctmp < 0) rtctmp = 0; r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen, context); if (r < 0) { - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return r; } if (newval && newlen) { ds1603_set(rtctmp); } - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return 1; } #endif @@ -165,9 +166,9 @@ static char lasat_bcastaddr[16]; void update_bcastaddr(void) { unsigned int ip; - - ip = (lasat_board_info.li_eeprom_info.ipaddr & - lasat_board_info.li_eeprom_info.netmask) | + + ip = (lasat_board_info.li_eeprom_info.ipaddr & + lasat_board_info.li_eeprom_info.netmask) | ~lasat_board_info.li_eeprom_info.netmask; sprintf(lasat_bcastaddr, "%d.%d.%d.%d", @@ -192,24 +193,24 @@ int proc_lasat_ip(ctl_table *table, int write, struct file *filp, return 0; } - down(&lasat_info_sem); + mutex_lock(&lasat_info_mutex); if (write) { len = 0; p = buffer; while (len < *lenp) { if(get_user(c, p++)) { - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return -EFAULT; } if (c == 0 || c == '\n') break; len++; } - if (len >= sizeof(proc_lasat_ipbuf)-1) + if (len >= sizeof(proc_lasat_ipbuf)-1) len = sizeof(proc_lasat_ipbuf) - 1; if (copy_from_user(proc_lasat_ipbuf, buffer, len)) { - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return -EFAULT; } proc_lasat_ipbuf[len] = 0; @@ -230,12 +231,12 @@ int proc_lasat_ip(ctl_table *table, int write, struct file *filp, len = *lenp; if (len) if(copy_to_user(buffer, proc_lasat_ipbuf, len)) { - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return -EFAULT; } if (len < *lenp) { if(put_user('\n', ((char *) buffer) + len)) { - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return -EFAULT; } len++; @@ -244,22 +245,22 @@ int proc_lasat_ip(ctl_table *table, int write, struct file *filp, *ppos += len; } update_bcastaddr(); - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return 0; } #endif /* defined(CONFIG_INET) */ -static int sysctl_lasat_eeprom_value(ctl_table *table, int *name, int nlen, - void *oldval, size_t *oldlenp, +static int sysctl_lasat_eeprom_value(ctl_table *table, int *name, int nlen, + void *oldval, size_t *oldlenp, void *newval, size_t newlen, void **context) { int r; - down(&lasat_info_sem); + mutex_lock(&lasat_info_mutex); r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen, context); if (r < 0) { - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return r; } @@ -271,7 +272,7 @@ static int sysctl_lasat_eeprom_value(ctl_table *table, int *name, int nlen, lasat_write_eeprom_info(); lasat_init_board_info(); } - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return 0; } @@ -280,10 +281,10 @@ int proc_lasat_eeprom_value(ctl_table *table, int write, struct file *filp, void *buffer, size_t *lenp, loff_t *ppos) { int r; - down(&lasat_info_sem); + mutex_lock(&lasat_info_mutex); r = proc_dointvec(table, write, filp, buffer, lenp, ppos); if ( (!write) || r) { - up(&lasat_info_sem); + mutex_unlock(&lasat_info_mutex); return r; } if (filp && filp->f_dentry) @@ -293,8 +294,8 @@ int proc_lasat_eeprom_value(ctl_table *table, int write, struct file *filp, if (!strcmp(filp->f_dentry->d_name.name, "debugaccess")) lasat_board_info.li_eeprom_info.debugaccess = lasat_board_info.li_debugaccess; } - lasat_write_eeprom_info(); - up(&lasat_info_sem); + lasat_write_eeprom_info(); + mutex_unlock(&lasat_info_mutex); return 0; } @@ -316,8 +317,8 @@ static ctl_table lasat_table[] = { 0644, NULL, &proc_lasat_ip, &sysctl_lasat_intvec}, {LASAT_NETMASK, "netmask", &lasat_board_info.li_eeprom_info.netmask, sizeof(int), 0644, NULL, &proc_lasat_ip, &sysctl_lasat_intvec}, - {LASAT_BCAST, "bcastaddr", &lasat_bcastaddr, - sizeof(lasat_bcastaddr), 0600, NULL, + {LASAT_BCAST, "bcastaddr", &lasat_bcastaddr, + sizeof(lasat_bcastaddr), 0600, NULL, &proc_dostring, &sysctl_string}, #endif {LASAT_PASSWORD, "passwd_hash", &lasat_board_info.li_eeprom_info.passwd_hash, sizeof(lasat_board_info.li_eeprom_info.passwd_hash),