ata: pata_macio: fix comparing pointer to 0

Fixes coccicheck warning:

./drivers/ata/pata_macio.c:982:31-32:
	WARNING comparing pointer to 0, suggest !E

Compare pointer-typed values to NULL rather than 0.

Acked-by: Bartlomiej Zolnierkiewicz <[email protected]>
Signed-off-by: Chen Zhou <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>

diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
index 1bfd0154dad5db964e49e90f4acdff5d7f45ce0f..e47a28271f5bb46334d043e8bb69ab2cf8f8230d 100644 (file)
--- a/drivers/ata/pata_macio.c
+++ b/drivers/ata/pata_macio.c
@@ -979,7 +979,7 @@ static void pata_macio_invariants(struct pata_macio_priv *priv)
        priv->aapl_bus_id =  bidp ? *bidp : 0;
 
        /* Fixup missing Apple bus ID in case of media-bay */
-       if (priv->mediabay && bidp == 0)
+       if (priv->mediabay && !bidp)
                priv->aapl_bus_id = 1;
 }