write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/watchdog/sb_wdog.c
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@@ -67,7 +67,7 @@
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  *
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  * wdog is the iomem address of the cfg register
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  */
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-void sbwdog_set(char __iomem *wdog, unsigned long t)
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+static void sbwdog_set(char __iomem *wdog, unsigned long t)
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 {
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 	spin_lock(&sbwd_lock);
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 	__raw_writeb(0, wdog);
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@@ -81,7 +81,7 @@
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  *
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  * wdog is the iomem address of the cfg register
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  */
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-void sbwdog_pet(char __iomem *wdog)
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+static void sbwdog_pet(char __iomem *wdog)
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 {
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 	spin_lock(&sbwd_lock);
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 	__raw_writeb(__raw_readb(wdog) | 1, wdog);
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@@ -105,7 +105,7 @@
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  */
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 static int sbwdog_open(struct inode *inode, struct file *file)
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 {
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-	nonseekable_open(inode, file);
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+	stream_open(inode, file);
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 	if (test_and_set_bit(0, &sbwdog_gate))
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 		return -EBUSY;
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 	__module_get(THIS_MODULE);
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@@ -202,6 +202,7 @@
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 		timeout = time;
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 		sbwdog_set(user_dog, timeout);
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 		sbwdog_pet(user_dog);
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+		fallthrough;
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 	case WDIOC_GETTIMEOUT:
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 		/*
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@@ -236,6 +237,7 @@
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 	.llseek		= no_llseek,
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 	.write		= sbwdog_write,
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 	.unlocked_ioctl	= sbwdog_ioctl,
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+	.compat_ioctl	= compat_ptr_ioctl,
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 	.open		= sbwdog_open,
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 	.release	= sbwdog_release,
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 };