staging: kpc2000: simplify comparison to NULL in fileops.c

Fixes checkpatch warning "Comparison to NULL could be written [...]".

Signed-off-by: Simon Sandström <simon@nikanor.nu>
Link: https://lore.kernel.org/r/20190704060811.10330-4-simon@nikanor.nu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/kpc2000/kpc_dma/fileops.c b/drivers/staging/kpc2000/kpc_dma/fileops.c
index 7feb2fd..48ca88b 100644 (file)
--- a/drivers/staging/kpc2000/kpc_dma/fileops.c
+++ b/drivers/staging/kpc2000/kpc_dma/fileops.c
@@ -247,7 +247,7 @@ int  kpc_dma_open(struct inode *inode, struct file *filp)
        struct dev_private_data *priv;
        struct kpc_dma_device *ldev = kpc_dma_lookup_device(iminor(inode));
 
-       if (ldev == NULL)
+       if (!ldev)
                return -ENODEV;
 
        if (!atomic_dec_and_test(&ldev->open_count)) {