linux-kernel - [PATCH 4/4] staging: vt6656: Use variable instead of its type in sizeof(...)

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Date:   Fri, 30 Jun 2017 23:38:54 +0200
From:   Simon Sandström <simon@...anor.nu>
To:     gregkh@...uxfoundation.org
Cc:     forest@...ttletooquiet.net, linux-kernel@...r.kernel.org,
        devel@...verdev.osuosl.org,
        Simon Sandström <simon@...anor.nu>
Subject: [PATCH 4/4] staging: vt6656: Use variable instead of its type in sizeof(...)

Use sizeof(variable) instead of sizeof(type) in memory allocations to
prevent problems if the variable type changes in the future.

Signed-off-by: Simon Sandström <simon@...anor.nu>
---
 drivers/staging/vt6656/main_usb.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index 095b85567306..cc6d8778fe5b 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -419,8 +419,7 @@ static bool vnt_alloc_bufs(struct vnt_private *priv)
 	int ii;
 
 	for (ii = 0; ii < priv->num_tx_context; ii++) {
-		tx_context = kmalloc(sizeof(struct vnt_usb_send_context),
-				     GFP_KERNEL);
+		tx_context = kmalloc(sizeof(*tx_context), GFP_KERNEL);
 		if (!tx_context)
 			goto free_tx;
 
@@ -437,7 +436,7 @@ static bool vnt_alloc_bufs(struct vnt_private *priv)
 	}
 
 	for (ii = 0; ii < priv->num_rcb; ii++) {
-		priv->rcb[ii] = kzalloc(sizeof(struct vnt_rcb), GFP_KERNEL);
+		priv->rcb[ii] = kzalloc(sizeof(*priv->rcb[ii]), GFP_KERNEL);
 		if (!priv->rcb[ii]) {
 			dev_err(&priv->usb->dev,
 				"failed to allocate rcb no %d\n", ii);
-- 
2.11.0