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caif: Fix for a race in socket transmit with flow control.

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Kill faulty checks on flow-off leading to connection drop at race conditions.
caif_socket checks for flow-on before transmitting and goes to sleep or
return -EAGAIN upon flow stop. Remove faulty subsequent checks on flow-off
leading to connection drop. Also fix memory leaks on some of the errors paths.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dmitry Tarnyagin
2012-03-11 10:28:31 +00:00
committed by David S. Miller
parent e8abbe0d02
commit 374458b3fe
6 changed files with 31 additions and 24 deletions
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net/caif/cfdbgl.c
+3 -1
View File
@@ -41,8 +41,10 @@ static int cfdbgl_transmit(struct cflayer *layr, struct cfpkt *pkt)
struct caif_payload_info *info;
int ret;
if (!cfsrvl_ready(service, &ret))
if (!cfsrvl_ready(service, &ret)) {
cfpkt_destroy(pkt);
return ret;
}
/* Add info for MUX-layer to route the packet out */
info = cfpkt_info(pkt);