[PATCH] staging: most: dim2: remove unnecessary NULL check in service_done_flag()

grondon@gmail.com posted 1 patch 14 hours ago
drivers/staging/most/dim2/dim2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
[PATCH] staging: most: dim2: remove unnecessary NULL check in service_done_flag()
Posted by grondon@gmail.com 14 hours ago
From: Gabriel Rondon <grondon@gmail.com>

Remove the !hdm_ch check. hdm_ch is derived from dev->hch + ch_idx
(pointer arithmetic on a struct member), so it can never be NULL.
Keep only the !hdm_ch->is_initialized check.

Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/all/acuoL4DRi0pmsQY1@stanley.mountain
Signed-off-by: Gabriel Rondon <grondon@gmail.com>
---
 drivers/staging/most/dim2/dim2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/most/dim2/dim2.c b/drivers/staging/most/dim2/dim2.c
index 7953d4626..f5bd7d44f 100644
--- a/drivers/staging/most/dim2/dim2.c
+++ b/drivers/staging/most/dim2/dim2.c
@@ -271,7 +271,7 @@ static void service_done_flag(struct dim2_hdm *dev, int ch_idx)
 	unsigned long flags;
 	u8 *data;
 
-	if (!hdm_ch || !hdm_ch->is_initialized)
+	if (!hdm_ch->is_initialized)
 		return;
 
 	spin_lock_irqsave(&dim_lock, flags);
-- 
2.33.0