[SCSI] qla2xxx: Make the logging functions verify their arguments and fixed...

[SCSI] qla2xxx: Make the logging functions verify their arguments and fixed the current broken uses as appropriate.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>