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ksmbd: ipc: use kzalloc_flex and __counted_by

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The former is just a nice macro and the latter allows runtime analysis
of the allocation and its size.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Rosen Penev
2026-03-05 22:35:22 -08:00
committed by Steve French
parent 95e1d378ce
commit 3df614ebc9
1 changed files with 2 additions and 3 deletions
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5
fs/smb/server/transport_ipc.c
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@@ -55,7 +55,7 @@ static bool ksmbd_ipc_validate_version(struct genl_info *m)
struct ksmbd_ipc_msg {
unsigned int type;
unsigned int sz;
unsigned char payload[];
unsigned char payload[] __counted_by(sz);
};
struct ipc_msg_table_entry {
@@ -242,9 +242,8 @@ static void ipc_update_last_active(void)
static struct ksmbd_ipc_msg *ipc_msg_alloc(size_t sz)
{
struct ksmbd_ipc_msg *msg;
size_t msg_sz = sz + sizeof(struct ksmbd_ipc_msg);
msg = kvzalloc(msg_sz, KSMBD_DEFAULT_GFP);
msg = kvzalloc_flex(*msg, payload, sz, KSMBD_DEFAULT_GFP);
if (msg)
msg->sz = sz;
return msg;