[PATCH 06/11] staging: dgnc: change style of NULL comparison

[Sudip Mukherjee]

Change the NULL comparison style as warned by checkpatch.

Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx>
---
 drivers/staging/dgnc/dgnc_tty.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index 35f3ec4..b40fd67 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -1469,7 +1469,7 @@ static int dgnc_tty_chars_in_buffer(struct tty_struct *tty)
 	uint chars = 0;
 	unsigned long flags;
 
-	if (tty == NULL)
+	if (!tty)
 		return 0;
 
 	un = tty->driver_data;
@@ -1570,7 +1570,7 @@ static int dgnc_tty_write_room(struct tty_struct *tty)
 	int ret = 0;
 	unsigned long flags;
 
-	if (tty == NULL || dgnc_TmpWriteBuf == NULL)
+	if (!tty || !dgnc_TmpWriteBuf)
 		return 0;
 
 	un = tty->driver_data;
@@ -1649,7 +1649,7 @@ static int dgnc_tty_write(struct tty_struct *tty,
 	ushort tmask;
 	uint remain;
 
-	if (tty == NULL || dgnc_TmpWriteBuf == NULL)
+	if (!tty || !dgnc_TmpWriteBuf)
 		return 0;
 
 	un = tty->driver_data;
-- 
1.9.1

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