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Subject[PATCH 4/5] ATM-nicstar: Refactor a kmalloc() call in ns_init_card()
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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sat, 10 Sep 2016 08:48:17 +0200

* The script "checkpatch.pl" can point out that assignments should usually
not be performed within condition checks.
Thus move an assignment for a local variable to a separate statement
in this function.

* Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/atm/nicstar.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c
index ef977bf..04f5781 100644
--- a/drivers/atm/nicstar.c
+++ b/drivers/atm/nicstar.c
@@ -370,7 +370,8 @@ static int ns_init_card(int i, struct pci_dev *pcidev)
return error;
}

- if ((card = kmalloc(sizeof(ns_dev), GFP_KERNEL)) == NULL) {
+ card = kmalloc(sizeof(*card), GFP_KERNEL);
+ if (!card) {
printk
("nicstar%d: can't allocate memory for device structure.\n",
i);
--
2.10.0
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