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[SCSI] aacraid: Fix extra unregister_chrdev

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Received from Mark Salyzyn

If there are no aacraid controllers, we do not create the raid
controller chrdev, thus when the driver is unloaded it performs a
superfluous deregistration.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Mark Haverkamp 2006-03-27 09:44:19 -08:00 committed by James Bottomley
parent 95433badf0
commit 53926274f2
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/aacraid/linit.c
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@ -1023,7 +1023,8 @@ static int __init aac_init(void)
static void __exit aac_exit(void)
{
unregister_chrdev(aac_cfg_major, "aac");
if (aac_cfg_major > -1)
unregister_chrdev(aac_cfg_major, "aac");
pci_unregister_driver(&aac_pci_driver);
}