tree 5dc3451a2011f0d32839b5aef20d9aaec1da78cf
parent bb664f49f8be17d7b8bf9821144e8a53d7fcfe8a
author Hendrik Brueckner <brueckner@linux.vnet.ibm.com> 1245275688 +0000
committer David S. Miller <davem@davemloft.net> 1245395440 -0700

af_iucv: Return -EAGAIN if iucv msg limit is exceeded

If the iucv message limit for a communication path is exceeded,
sendmsg() returns -EAGAIN instead of -EPIPE.
The calling application can then handle this error situtation,
e.g. to try again after waiting some time.

For blocking sockets, sendmsg() waits up to the socket timeout
before returning -EAGAIN. For the new wait condition, a macro
has been introduced and the iucv_sock_wait_state() has been
refactored to this macro.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>