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Groups > linux.kernel > #1480706

[PATCH 06/13] DRBD-receiver: Improve a size determination in receive_sizes()

From SF Markus Elfring <elfring@users.sourceforge.net>
Newsgroups linux.kernel
Subject [PATCH 06/13] DRBD-receiver: Improve a size determination in receive_sizes()
Date 2016-09-10 22:30 +0200
Message-ID <sfX4t-4Pv-23@gated-at.bofh.it> (permalink)
References <sfX4t-4Pv-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sat, 10 Sep 2016 21:45:13 +0200

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/block/drbd/drbd_receiver.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 7666212..64bc316 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -4085,7 +4085,8 @@ static int receive_sizes(struct drbd_connection *connection, struct packet_info
 		if (my_usize != p_usize) {
 			struct disk_conf *old_disk_conf, *new_disk_conf;
 
-			new_disk_conf = kzalloc(sizeof(struct disk_conf), GFP_KERNEL);
+			new_disk_conf = kzalloc(sizeof(*new_disk_conf),
+						GFP_KERNEL);
 			if (!new_disk_conf) {
 				drbd_err(device, "Allocation of new disk_conf failed\n");
 				put_ldev(device);
-- 
2.10.0

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Thread

[PATCH 00/13] DRBD-receiver: Fine-tuning for six function  implementations SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 22:30 +0200
  [PATCH 01/13] DRBD-receiver: Use kmalloc_array() in receive_uuids() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 22:30 +0200
  [PATCH 06/13] DRBD-receiver: Improve a size determination in  receive_sizes() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 22:30 +0200
  [PATCH 03/13] DRBD-receiver: Move an assignment in receive_uuids() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 22:30 +0200
  [PATCH 10/13] DRBD-receiver: Delete error messages for failed  resource allocations in receive_SyncParam() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 22:40 +0200
  [PATCH 08/13] DRBD-receiver: Move an assignment in receive_sizes() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 22:40 +0200
  [PATCH 13/13] DRBD-receiver: Improve determination of sizes in  receive_Barrier() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 22:40 +0200
  [PATCH 09/13] DRBD-receiver: Improve determination of sizes in  receive_SyncParam() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 22:40 +0200
  [PATCH 12/13] DRBD-receiver: Delete error messages for failed  resource allocations in receive_protocol() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 22:40 +0200
  [PATCH 11/13] DRBD-receiver: Improve a size determination in  receive_protocol() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 22:40 +0200
  [PATCH 07/13] DRBD-receiver: Delete an error message for a failed  kzalloc() call in receive_sizes() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 22:40 +0200

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