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Bluetooth: btintel_pcie: Use struct_size to improve hci_drv_read_info

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Use struct_size(), which provides additional compile-time checks for
structures with flexible array members (e.g., __must_be_array()), to
determine the allocation size for a new 'struct hci_drv_rp_read_info'.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Thorsten Blum 2026-02-24 00:33:42 +01:00 committed by Luiz Augusto von Dentz
parent 67377cd38b
commit 9a9d21f780
1 changed files with 2 additions and 1 deletions
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3
drivers/bluetooth/btintel_pcie.c
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@ -9,6 +9,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/firmware.h>
#include <linux/overflow.h>
#include <linux/pci.h>
#include <linux/string.h>
#include <linux/wait.h>
@ -2373,7 +2374,7 @@ static int btintel_pcie_hci_drv_read_info(struct hci_dev *hdev, void *data,
u16 opcode, num_supported_commands =
ARRAY_SIZE(btintel_pcie_hci_drv_supported_commands);
rp_size = sizeof(*rp) + num_supported_commands * 2;
rp_size = struct_size(rp, supported_commands, num_supported_commands);
rp = kmalloc(rp_size, GFP_KERNEL);
if (!rp)