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tls: rx: jump to a more appropriate label 

'recv_end:' checks num_async and decrypted, and is then followed
by the 'end' label. Since we know that decrypted and num_async
are 0 at the start we can jump to 'end'.

Move the init of decrypted and num_async to let the compiler
catch if I'm wrong.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2022-04-07 20:38:14 -07:00 committed by David S. Miller
parent dc2e0617f1
commit bfc06e1aaa
1 changed files with 4 additions and 3 deletions
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7
net/tls/tls_sw.c
View File

@ -1760,6 +1760,7 @@ int tls_sw_recvmsg(struct sock *sk,
struct tls_sw_context_rx *ctx = tls_sw_ctx_rx(tls_ctx);
struct tls_prot_info *prot = &tls_ctx->prot_info;
struct sk_psock *psock;
int num_async, pending;
unsigned char control = 0;
ssize_t decrypted = 0;
struct strp_msg *rxm;
@ -1772,8 +1773,6 @@ int tls_sw_recvmsg(struct sock *sk,
bool is_kvec = iov_iter_is_kvec(&msg->msg_iter);
bool is_peek = flags & MSG_PEEK;
bool bpf_strp_enabled;
int num_async = 0;
int pending;
flags |= nonblock;
@ -1795,12 +1794,14 @@ int tls_sw_recvmsg(struct sock *sk,
}
if (len <= copied)
goto recv_end;
goto end;
target = sock_rcvlowat(sk, flags & MSG_WAITALL, len);
len = len - copied;
timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
decrypted = 0;
num_async = 0;
while (len && (decrypted + copied < target || ctx->recv_pkt)) {
bool retain_skb = false;
bool zc = false;