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[PATCH] tipar oops fix

If compiled into the kernel, parport_register_driver() is called before the
parport driver has been initalised.

This means that it is expected that tp_count is 0 after the
parport_register_driver() call() - tipar's attach function will not be
called until later during bootup.

Signed-off-by: Daniel Drake <dsd@gentoo.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Daniel Drake 19 년 전
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1개의 변경된 파일1개의 추가작업 그리고 1개의 파일을 삭제
  1. 1 1
      drivers/char/tipar.c

+ 1 - 1
drivers/char/tipar.c

@@ -515,7 +515,7 @@ tipar_init_module(void)
 		err = PTR_ERR(tipar_class);
 		goto out_chrdev;
 	}
-	if (parport_register_driver(&tipar_driver) || tp_count == 0) {
+	if (parport_register_driver(&tipar_driver)) {
 		printk(KERN_ERR "tipar: unable to register with parport\n");
 		err = -EIO;
 		goto out_class;