修改内核路径

hc

2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b

 kernel/drivers/watchdog/ar7_wdt.c
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@@ -163,7 +163,7 @@
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 	ar7_wdt_enable_wdt();
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 	expect_close = 0;
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-	return nonseekable_open(inode, file);
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+	return stream_open(inode, file);
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 }
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 static int ar7_wdt_release(struct inode *inode, struct file *file)
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@@ -235,7 +235,7 @@
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 		ar7_wdt_update_margin(new_margin);
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 		ar7_wdt_kick(1);
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 		spin_unlock(&wdt_lock);
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-
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+		fallthrough;
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 	case WDIOC_GETTIMEOUT:
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 		if (put_user(margin, (int *)arg))
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 			return -EFAULT;
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@@ -249,6 +249,7 @@
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 	.owner		= THIS_MODULE,
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 	.write		= ar7_wdt_write,
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 	.unlocked_ioctl	= ar7_wdt_ioctl,
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+	.compat_ioctl	= compat_ptr_ioctl,
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 	.open		= ar7_wdt_open,
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 	.release	= ar7_wdt_release,
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 	.llseek		= no_llseek,