[PATCH] telephony: phonedev panics if unregistering device not registered [Bug 9266]

[Matti Linnanvuori <mattilinnanvuori@yahoo.com>]

From: Matti Linnanvuori <mattilinnanvuori@yahoo.com>

Remove panic from phonedev.

Signed-off-by: Matti Linnanvuori <mattilinnanvuori@yahoo.com>
---

--- a/drivers/telephony/phonedev.c	2007-10-31 17:52:55.784817000 +0200
+++ linux-2.6.24/drivers/telephony/phonedev.c	2007-10-31 17:55:48.144879000 +0200
@@ -120,9 +120,8 @@ int phone_register_device(struct phone_d
 void phone_unregister_device(struct phone_device *pfd)
 {
 	mutex_lock(&phone_lock);
-	if (phone_device[pfd->minor] != pfd)
-		panic("phone: bad unregister");
-	phone_device[pfd->minor] = NULL;
+	if (likely(phone_device[pfd->minor] == pfd))
+		phone_device[pfd->minor] = NULL;
 	mutex_unlock(&phone_lock);
 }
 




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