[PATCH]ata:ahci.c Fix warning: comparison between 'enum <anonymous>' and 'enum <anonymous>'

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The below patch casts ATA_MAX_QUEUE to int because GCC will 
give a warning message about the two different enum blocks:
  CC      drivers/ata/ahci.o
drivers/ata/ahci.c: In function 'ahci_init_one':
drivers/ata/ahci.c:1045:2: warning: comparison between 'enum <anonymous>' and 'enum <anonymous>'
 
Signed-off-by: Justin P. Mattock <justinmattock@xxxxxxxxx>

---
 drivers/ata/ahci.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index f252253..fe75d8b 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1042,7 +1042,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	VPRINTK("ENTER\n");
 
-	WARN_ON(ATA_MAX_QUEUE > AHCI_MAX_CMDS);
+	WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
 
 	if (!printed_version++)
 		dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
-- 
1.7.1.rc1.21.gf3bd6

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