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fix some comments in ahci_cam.c


From: Johannes Hofmann <johannes.hofmann@xxxxxx>
Date: 13 Mar 2010 09:32:32 GMT

Hi,

fix some comments in ahci_cam.c:


diff --git a/sys/dev/disk/ahci/ahci_cam.c b/sys/dev/disk/ahci/ahci_cam.c
index e7bcc07..bad6b51 100644
--- a/sys/dev/disk/ahci/ahci_cam.c
+++ b/sys/dev/disk/ahci/ahci_cam.c
@@ -136,8 +136,8 @@ ahci_cam_attach(struct ahci_port *ap)
 /*
  * The state of the port has changed.
  *
- * If at is NULL the physical port has changed state.
- * If at is non-NULL a particular target behind a PM has changed state.
+ * If atx is NULL the physical port has changed state.
+ * If atx is non-NULL a particular target behind a PM has changed state.
  *
  * If found is -1 the target state must be queued to a non-interrupt context.
  * (only works with at == NULL).
@@ -788,7 +788,7 @@ ahci_xpt_action(struct cam_sim *sim, union ccb *ccb)
 	 * probed.
 	 *
 	 * Calculate at and atx.  at is always non-NULL.  atx is only
-	 * non-NULL for direct-attached devices.  It will be NULL for
+	 * NULL for direct-attached devices.  It will be non-NULL for
 	 * devices behind a port multiplier.
 	 *
 	 * XXX What do we do with a LUN wildcard?



Cheers,
Johannes



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