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Commit 68fc4fab authored by Akinobu Mita's avatar Akinobu Mita Committed by Linus Torvalds
Browse files

unregister_chrdev(): ignore the return value 



unregister_chrdev() always returns 0.  There is no need to check the return
value.

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent cb00ea35

arch/cris/arch-v10/drivers/pcf8563.c

+1 −3
Original line number Diff line number Diff line
@@ -180,9 +180,7 @@ err: 
void __exit

pcf8563_exit(void)

{

	if (unregister_chrdev(PCF8563_MAJOR, DEVICE_NAME) < 0) {

		printk(KERN_INFO "%s: Unable to unregister device.\n", PCF8563_NAME);

	}

	unregister_chrdev(PCF8563_MAJOR, DEVICE_NAME);

}



/*

arch/cris/arch-v32/drivers/pcf8563.c

+1 −3
Original line number Diff line number Diff line
@@ -193,9 +193,7 @@ err: 
void __exit

pcf8563_exit(void)

{

	if (unregister_chrdev(PCF8563_MAJOR, DEVICE_NAME) < 0) {

		printk(KERN_INFO "%s: Unable to unregister device.\n", PCF8563_NAME);

	}

	unregister_chrdev(PCF8563_MAJOR, DEVICE_NAME);

}



/*

arch/sparc64/solaris/socksys.c

+1 −2
Original line number Diff line number Diff line
@@ -199,6 +199,5 @@ int __init init_socksys(void) 


void __exit cleanup_socksys(void)

{

	if (unregister_chrdev(30, "socksys"))

		printk ("Couldn't unregister socksys character device\n");

	unregister_chrdev(30, "socksys");

}

drivers/char/ip2/ip2main.c

+1 −3
Original line number Diff line number Diff line
@@ -425,9 +425,7 @@ cleanup_module(void) 
		printk(KERN_ERR "IP2: failed to unregister tty driver (%d)\n", err);

	}

	put_tty_driver(ip2_tty_driver);

	if ( ( err = unregister_chrdev ( IP2_IPL_MAJOR, pcIpl ) ) ) {

		printk(KERN_ERR "IP2: failed to unregister IPL driver (%d)\n", err);

	}

	unregister_chrdev(IP2_IPL_MAJOR, pcIpl);

	remove_proc_entry("ip2mem", &proc_root);



	// free memory

drivers/char/mbcs.c

+1 −6
Original line number Diff line number Diff line
@@ -816,12 +816,7 @@ struct cx_drv mbcs_driver = { 


static void __exit mbcs_exit(void)

{

	int rv;



	rv = unregister_chrdev(mbcs_major, DEVICE_NAME);

	if (rv < 0)

		DBG(KERN_ALERT "Error in unregister_chrdev: %d\n", rv);



	unregister_chrdev(mbcs_major, DEVICE_NAME);

	cx_driver_unregister(&mbcs_driver);

}