[PATCH] net: bluetooth: Use kzalloc instead of kmalloc/memset

[PATCH] net: bluetooth: Use kzalloc instead of kmalloc/memset

[Jiapeng Chong]

Use kzalloc rather than duplicating its implementation, which makes code
simple and easy to understand.

./net/bluetooth/hci_conn.c:2038:6-13: WARNING: kzalloc should be used for cp, instead of kmalloc/memset.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2406
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
 net/bluetooth/hci_conn.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 5d6ee5075642..495de21d52cd 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -2035,13 +2035,12 @@ int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type,
 	if (hci_dev_test_and_set_flag(hdev, HCI_PA_SYNC))
 		return -EBUSY;
 
-	cp = kmalloc(sizeof(*cp), GFP_KERNEL);
+	cp = kzalloc(sizeof(*cp), GFP_KERNEL);
 	if (!cp) {
 		hci_dev_clear_flag(hdev, HCI_PA_SYNC);
 		return -ENOMEM;
 	}
 
-	memset(cp, 0, sizeof(*cp));
 	cp->sid = sid;
 	cp->addr_type = dst_type;
 	bacpy(&cp->addr, dst);
-- 
2.20.1.7.g153144c

Re: [PATCH] net: bluetooth: Use kzalloc instead of kmalloc/memset

[patchwork-bot+bluetooth]

Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:

On Mon, 17 Oct 2022 11:04:21 +0800 you wrote:
> Use kzalloc rather than duplicating its implementation, which makes code
> simple and easy to understand.
> 
> ./net/bluetooth/hci_conn.c:2038:6-13: WARNING: kzalloc should be used for cp, instead of kmalloc/memset.
> 
> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2406
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
> 
> [...]

Here is the summary with links:
  - net: bluetooth: Use kzalloc instead of kmalloc/memset
    https://git.kernel.org/bluetooth/bluetooth-next/c/b0a19a2c4c53

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html

[PATCH] net: bluetooth: Use kzalloc instead of kmalloc/memset

[Kang Minchul]

This commit replace kmalloc + memset to kzalloc
for better code readability and simplicity.

Following messages are related cocci warnings.

WARNING: kzalloc should be used for d, instead of kmalloc/memset

Signed-off-by: Kang Minchul <tegongkang@gmail.com>
---
 net/bluetooth/hci_conn.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 7a59c4487050..287d313aa312 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -824,11 +824,10 @@ static int hci_le_terminate_big(struct hci_dev *hdev, u8 big, u8 bis)
 
 	bt_dev_dbg(hdev, "big 0x%2.2x bis 0x%2.2x", big, bis);
 
-	d = kmalloc(sizeof(*d), GFP_KERNEL);
+	d = kzalloc(sizeof(*d), GFP_KERNEL);
 	if (!d)
 		return -ENOMEM;
 
-	memset(d, 0, sizeof(*d));
 	d->big = big;
 	d->bis = bis;
 
@@ -861,11 +860,10 @@ static int hci_le_big_terminate(struct hci_dev *hdev, u8 big, u16 sync_handle)
 
 	bt_dev_dbg(hdev, "big 0x%2.2x sync_handle 0x%4.4x", big, sync_handle);
 
-	d = kmalloc(sizeof(*d), GFP_KERNEL);
+	d = kzalloc(sizeof(*d), GFP_KERNEL);
 	if (!d)
 		return -ENOMEM;
 
-	memset(d, 0, sizeof(*d));
 	d->big = big;
 	d->sync_handle = sync_handle;
 
-- 
2.34.1

Re: [PATCH] net: bluetooth: Use kzalloc instead of kmalloc/memset

[patchwork-bot+bluetooth]

Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:

On Sun, 30 Oct 2022 05:45:41 +0900 you wrote:
> This commit replace kmalloc + memset to kzalloc
> for better code readability and simplicity.
> 
> Following messages are related cocci warnings.
> 
> WARNING: kzalloc should be used for d, instead of kmalloc/memset
> 
> [...]

Here is the summary with links:
  - net: bluetooth: Use kzalloc instead of kmalloc/memset
    https://git.kernel.org/bluetooth/bluetooth-next/c/214c507d87cc

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html