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| author | Karsten Graul <kgraul@linux.ibm.com> | 2019-01-30 18:51:03 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-01 14:45:44 -0800 |
| commit | 6889b36da78a21a312d8b462c1fa25a03c2ff192 (patch) | |
| tree | 6cc0d0ef528ba0391f5bc36d7829bb5357a8fb3c /firmware | |
| parent | 77f838ace755d2f466536c44dac6c856f62cd901 (diff) | |
| download | linux-6889b36da78a21a312d8b462c1fa25a03c2ff192.tar.gz | |
net/smc: don't wait for send buffer space when data was already sent
When there is no more send buffer space and at least 1 byte was already sent then return to user space. The wait is only done when no data was sent by the sendmsg() call. This fixes smc_tx_sendmsg() which tried to always send all user data and started to wait for free send buffer space when needed. During this wait the user space program was blocked in the sendmsg() call and hence not able to receive incoming data. When both sides were in such a situation then the connection stalled forever. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'firmware')
0 files changed, 0 insertions, 0 deletions