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path: root/drivers/watchdog/cpu5wdt.c
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Diffstat (limited to 'drivers/watchdog/cpu5wdt.c')
-rw-r--r--drivers/watchdog/cpu5wdt.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/watchdog/cpu5wdt.c b/drivers/watchdog/cpu5wdt.c
index ec324e5e1c99..71f6d7eec9a8 100644
--- a/drivers/watchdog/cpu5wdt.c
+++ b/drivers/watchdog/cpu5wdt.c
@@ -160,8 +160,9 @@ static long cpu5wdt_ioctl(struct file *file, unsigned int cmd,
160 }; 160 };
161 161
162 switch (cmd) { 162 switch (cmd) {
163 case WDIOC_KEEPALIVE: 163 case WDIOC_GETSUPPORT:
164 cpu5wdt_reset(); 164 if (copy_to_user(argp, &ident, sizeof(ident)))
165 return -EFAULT;
165 break; 166 break;
166 case WDIOC_GETSTATUS: 167 case WDIOC_GETSTATUS:
167 value = inb(port + CPU5WDT_STATUS_REG); 168 value = inb(port + CPU5WDT_STATUS_REG);
@@ -169,10 +170,6 @@ static long cpu5wdt_ioctl(struct file *file, unsigned int cmd,
169 return put_user(value, p); 170 return put_user(value, p);
170 case WDIOC_GETBOOTSTATUS: 171 case WDIOC_GETBOOTSTATUS:
171 return put_user(0, p); 172 return put_user(0, p);
172 case WDIOC_GETSUPPORT:
173 if (copy_to_user(argp, &ident, sizeof(ident)))
174 return -EFAULT;
175 break;
176 case WDIOC_SETOPTIONS: 173 case WDIOC_SETOPTIONS:
177 if (get_user(value, p)) 174 if (get_user(value, p))
178 return -EFAULT; 175 return -EFAULT;
@@ -181,6 +178,9 @@ static long cpu5wdt_ioctl(struct file *file, unsigned int cmd,
181 if (value & WDIOS_DISABLECARD) 178 if (value & WDIOS_DISABLECARD)
182 cpu5wdt_stop(); 179 cpu5wdt_stop();
183 break; 180 break;
181 case WDIOC_KEEPALIVE:
182 cpu5wdt_reset();
183 break;
184 default: 184 default:
185 return -ENOTTY; 185 return -ENOTTY;
186 } 186 }